Top 30 Teacher Professional Development Providers 2027

This report forms part of The Economy Rankings’ Education Services portfolio. The ranking evaluates organizations and identifiable operating units that actively deliver professional learning to practicing teachers, instructional coaches and school leaders.

Teacher professional development has a practical purpose: helping educators make better judgments about teaching, learning and the conditions of their classrooms. Providers address that purpose through courses, workshops, coaching, collaborative inquiry and sustained school partnerships. A useful program does more than introduce a new technique. It connects an educational problem with relevant knowledge, opportunities to practise and a way to examine what changes when the teacher returns to the classroom.

The market contains professional associations, specialist training organizations, research charities, university-based institutes and publishers with active learning services. Their purposes overlap without being identical. Literacy training can deepen knowledge of language and reading; a coaching provider can organize feedback on classroom practice; a subject specialist can help teachers understand curriculum and assessment. The relevant comparison concerns the development service actually delivered, rather than the size of a publishing catalogue or a software platform alone.

This ranking includes active organizations whose training is intended for practicing educators. It distinguishes professional learning from initial teacher preparation, although an organization can legitimately provide both. Membership, books and teaching resources can support development, but they do not establish eligibility without a current training or facilitated learning offer. The profiles therefore identify concrete delivery structures and the educational audiences they are designed to serve.

The 2027 edition reflects information reviewed during Q4 2026. Tier I comprises five leading providers in editorial order, followed by ten established and fifteen specialist providers. Assessment is qualitative and considers pedagogical depth, professional relevance, delivery design and the clarity of the provider's role. It does not claim to have tested every course, verified every marketing outcome or established a universal increase in pupil attainment attributable to a named provider.

Market Overview

Professional learning can be purchased by an individual teacher or commissioned by a school, district or education system. Those arrangements create different expectations. An open workshop must make its audience and prerequisites clear; a school partnership needs an implementation plan, staff participation and leadership support. The strongest proposition explains what participants will learn, how they will work with the material and what support continues beyond the initial session.

Content and delivery also interact. Subject expertise matters when teachers need to understand reading, language, mathematics or a particular curriculum. Pedagogical expertise matters when the task involves assessment, explanation, classroom culture or inclusion. Neither should be inferred simply because a trainer has published a book or previously led a school. The ranking values identifiable educational frameworks and substantive learning activity, with the relevance of qualifications understood in the context of the service.

Sustained development often involves practice and feedback. Coaching, video reflection, collaborative planning and inquiry cycles can help connect a course with teaching decisions. Their quality depends on trust, appropriate challenge and the time available to use what is learned. A digital environment can support these processes, but software access alone is not the same service as facilitated professional learning or a supported school improvement program.

Recognition and certification require precision. A provider's completion certificate, a professional designation, a regulated teaching qualification and academic credit represent different things. Schools and participants need to understand which, if any, applies. This comparison includes non-degree professional development and does not equate a course's popularity with formal authorization to teach. Where training contributes to a recognized route, the actual awarding or professional body remains relevant.

Procurement should also consider the setting in which an approach will be used. Curriculum, student age, language, inclusion needs and national policy shape classroom practice. A provider with international reach may adapt its services to local contexts, while a smaller specialist can offer depth in a narrower field. The ranking rewards a coherent proposition and concrete delivery rather than assuming that the broadest geographic footprint is always the most appropriate choice.

Industry Trend — 2027

The direction into 2027 is toward professional learning that is more closely connected to curriculum, classroom evidence and continuing collaboration. Providers describe this through coaching, implementation support, structured inquiry and teacher-led communities. These are current service models, not proof of a uniform result. Their significance lies in the mechanisms connecting professional knowledge with the work educators actually undertake.

Artificial intelligence, literacy, inclusion and changing classroom demands are also shaping development agendas. A credible response requires pedagogical judgment as well as familiarity with a tool or policy. The table identifies useful directions for reading the market, without implying that all providers share the same approach or that the ranking measures future outcomes.

2027 market development	Current evidence and direction	Implication for the sector
Learning connected with curriculum	Providers link development with the materials and sequences teachers use.	Examine subject depth and the intended classroom decisions.
Practice and feedback	Coaching and rehearsal extend learning beyond a presentation.	Look for sustained support and a workable feedback process.
Teacher collaboration	Teams use shared inquiry to examine teaching problems.	Check how facilitation and leadership create conditions for participation.
Inclusive teaching	Universal design, multilingual learning and classroom culture gain attention.	Judge the depth of training rather than the presence of an inclusion label.
Digital and AI judgment	Teachers need to evaluate tools alongside instructional purpose.	Separate product familiarization from professional understanding.
Clear development pathways	Providers distinguish courses, credentials and longer professional routes.	Verify the actual qualification or recognition attached to participation.

These developments place greater weight on implementation. A school may need help deciding which practice to change, how to support staff and what evidence would indicate progress. A short course can still be useful when its scope is clear, but it should not be presented as equivalent to sustained coaching. The ranking therefore recognizes different service models while assessing the coherence of each provider's offer.

Current identity matters as well. Mergers, rebranding and changes in institutional role can alter which organization delivers a service. The profiles identify the current provider or operating unit and distinguish historical roots from the formation of a present organization. This avoids counting legacy names as separate providers or assigning a university's founding date to a modern training department.

Methodology — Core Eligibility Criteria

The ranking uses a qualitative editorial assessment tailored to this series. Candidates were required to satisfy the following core conditions:

• An active organization or identifiable operating unit delivering professional learning to practicing educators, instructional coaches or school leaders.
• Current courses, workshops, coaching, facilitated programs or equivalent substantive development services; a content library alone does not qualify.
• A defined pedagogical, subject, professional or school-improvement purpose connected with educators’ work.
• Publicly identifiable delivery formats, intended participants and service scope sufficient to distinguish training from software or publishing alone.
• A traceable provider identity, location and organizational history, with parent organizations or operating units identified where necessary.
• Clear distinction among professional development, initial preparation, formal teaching qualifications and non-degree completion recognition.
• Sufficient official information to assess the educational proposition without relying on unsupported attainment, adoption or effectiveness claims.

Methodology — Ranking Factors

• Pedagogical and subject depth: The substance of the educational framework, disciplinary knowledge and teaching questions addressed.
• Learning and implementation design: How courses, practice, feedback, collaboration and continuing support connect within the service.
• Professional audience and fit: Clarity about educator roles, career stages, age groups, subjects and school contexts served.
• Facilitator and institutional capability: Visible specialist expertise and the organizational capacity to deliver an identifiable professional learning service.
• Transparency and evidence: The clarity of qualifications, delivery responsibilities and support for material claims, with provider assertions distinguished from measured outcomes.
• Distinctive contribution: The relevance of a broad professional framework or a focused specialist proposition within the wider development landscape.

For closely matched candidates, selection may also consider the relevance of the recognition to their international marketing and professional communications. Purchasing a licence is not a condition of inclusion and does not confer a higher tier.

Company Profiles and Further Reference

Names appearing in this ranking are linked to their corresponding organizational profiles in The Economy Wiki, where available. These profiles provide further background on principal activities, educational strengths, market positioning and related rankings and analysis across The Economy Network.

Where an entry identifies a product or service line, its provider or operator is identified so that the scope of the organizational profile is clear. The Economy Wiki profiles are maintained as editorial reference pages and may be updated as new public information becomes available.

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Tier I — Leading Teacher Professional Development Providers

1. Learning Forward

• Headquarters / executive office: Richardson, Texas, United States
• Founded: 1969

Learning Forward is a professional learning organization with roots in the National Staff Development Council network established in 1969; formal incorporation followed later. Its mission centres on the quality of educator development rather than a particular textbook or classroom technology. The current name dates from a subsequent rebranding of that continuing professional organization.

Its work includes professional learning standards, an academy, conferences and services supporting schools and systems. These provide different routes for educators and leaders to examine how development is planned, supported and sustained. The distinctive contribution is attention to the conditions around professional learning, not only the content delivered during a workshop.

Its leading position recognizes that coherent field-building role and the depth of its development architecture. The assessment values an identifiable framework and active learning services, without treating standards publication or conference participation as proof of improved teaching in every participating school.

2. Solution Tree

• Headquarters: Bloomington, Indiana, United States
• Founded: 1998

Solution Tree is a professional development organization and educational publisher with a sustained focus on school and district learning. Its services address instruction, assessment, leadership and collaborative school improvement. The evaluated organization includes its delivered training and support, rather than qualifying simply through the sale of books carrying the Solution Tree imprint.

Professional learning communities form a particularly recognizable part of its proposition. Institutes, workshops and school-based services give educators routes to examine collective responsibility, curriculum and evidence of learning. A commissioned school engagement and an open event have different implementation demands, making the actual format and support arrangement central to understanding the service.

Tier I recognizes the coherence and substance of this collaborative improvement model. Solution Tree's strength is the relationship between a defined educational framework, specialist contributors and multiple delivery routes, with outcomes dependent on local implementation rather than presumed from a provider's visibility or testimonials.

3. Corwin

• Headquarters: Thousand Oaks, California, United States
• Founded: 1990

Corwin is a Sage education business combining professional publishing with active learning services for teachers and school leaders. Founded in 1990, it has an identifiable organizational history separate from the earlier founding of its parent. The evaluated scope is its professional development offer, including events and customized work with schools and districts.

The service connects published educational frameworks with facilitation, coaching and implementation support. Visible Learning is a particularly recognizable part of the proposition, alongside work on instruction, assessment and leadership. The relevant educational question is how a school translates an idea into professional understanding and classroom decisions, rather than whether it has purchased the associated resource.

Tier I recognizes Corwin's developed connection between specialist content and delivered professional learning. Its position rests on the substance and coherence of that operating model, with the ranking avoiding an inference that every framework, workshop or school engagement has the same evidence base or effect.

4. International Society for Transforming Education

• Headquarters: Arlington, Virginia, United States
• Founded: 2023

The International Society for Transforming Education is the organization formed through the 2023 merger of ISTE and ASCD. It adopted its current name in June 2026, building on the predecessor organizations' longer histories. This entry evaluates the combined provider once, rather than counting the legacy organizations as separate contemporary institutions.

Its professional learning connects instructional strategy, technology and teacher practice. Courses, educator certifications, conferences and professional communities provide different routes for development. The combination matters because effective technology use requires pedagogical judgment, while instructional improvement increasingly involves choices about digital environments, resources and the conditions in which learners participate.

Tier I recognizes the substance of this combined professional proposition. Its strength is the connection between established pedagogical and technology-focused capabilities within one active organization, with individual credentials and courses understood according to their actual requirements rather than as a general authorization to teach.

5. British Council

• Headquarters: London, United Kingdom
• Founded: 1934

The British Council is a UK cultural-relations and education organization whose services include professional learning for English teachers and school educators. Its founding in 1934 predates its Royal Charter incorporation. The evaluated scope is teacher development, distinguished from the Council's wider examinations, language teaching and cultural activities.

TeachingEnglish courses, facilitated learning and commissioned programs connect language pedagogy with classroom practice and professional reflection. The international setting gives particular relevance to teachers working across different curricula, languages and resource conditions. A free online course and a system-level training partnership are different services, so their duration, support and recognition should be read separately.

Tier I recognizes a substantive international development proposition supported by an identifiable educational organization. Its comparative strength is the connection between language expertise and continuing teacher learning, without assuming that reach alone establishes equivalent delivery, access or outcomes across every country and program.

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Tier II — Established Teacher Professional Development Providers

(Alphabetical order)

Ambition Institute

• Registered office: London, United Kingdom
• Established (current institute): 2019

Ambition Institute is an English teacher and school-leadership development organization launched in its current form in 2019 after a merger of predecessor organizations. The date describes the present institute rather than the incorporation of an earlier legal entity. Its provision spans career stages from early teaching through school and system leadership.

Programs connect professional knowledge with the tasks educators face in practice. National Professional Qualifications and other development routes have defined requirements and operate within England's education context. The institute's contribution is the design and delivery of learning, with mentors, partner organizations and school conditions influencing how participants use that support.

Tier II recognizes the coherence of this career-spanning proposition. Ambition's strength lies in relating teacher development and leadership rather than treating them as disconnected markets, while specific eligibility, recognition and delivery arrangements must be checked for the relevant program and intake.

Cambridge University Press & Assessment

• Headquarters: Cambridge, United Kingdom
• Founded: 2021

Cambridge University Press & Assessment is the University of Cambridge organization formed in 2021 by combining publishing and assessment operations. The founding date refers to that combined organization, not the university or its historical presses and examination bodies. Its teacher development activity is the service evaluated here.

The offer includes tutor-led learning, courses, qualifications and institutional training across school education and English language teaching. Cambridge English's professional learning routes illustrate how development can connect pedagogical knowledge, assessment and practical teaching skills. Each route has its own audience and requirements; the Cambridge affiliation does not make every short course a university degree or regulated teaching qualification.

Tier II recognizes the depth of the combined educational expertise and its active delivery structures. Its comparative strength is the relationship between curriculum, assessment and professional learning, with the actual course and awarding arrangements carrying more weight than the university name alone.

Chartered College of Teaching

• Headquarters: London, United Kingdom
• Founded: 1846

The Chartered College of Teaching is a professional body for teachers with institutional roots in the College of Preceptors founded in 1846. Its present Chartered College identity dates from 2017. The organization is evaluated for active professional learning and development pathways, rather than membership or a professional journal alone.

Its proposition connects engagement with research, reflection on teaching and professional recognition. Chartered pathways provide a structured route for educators to examine practice and demonstrate professional learning. That recognition is distinct from initial teaching qualification or a statutory license, and participants need to understand the requirements and purpose of the particular designation.

Tier II recognizes the coherence of a professional-body model for continuing teacher development. Its strength is the relationship between learning, professional identity and an explicit pathway, with the ranking avoiding any implication that a designation by itself proves superior classroom outcomes or replaces national teacher authorization.

Education Development Trust

• Headquarters: Reading, United Kingdom
• Founded: 1968

Education Development Trust is a not-for-profit education services organization whose history begins with the Centre for British Teachers in 1968. Its present activity extends across education systems, schools and professional development. The evaluated scope concerns delivered learning for teachers and leaders, rather than the organization's broader inspection, careers or consultancy work.

Early-career programs and school development services connect professional knowledge with support in the workplace. Delivery through partners requires a relationship among the program design, local facilitators and the school environment. That structure is relevant because teacher learning depends on opportunities to practise, receive feedback and connect new ideas with an existing curriculum.

Tier II recognizes the substance of this implementation-oriented proposition. The Trust's comparative strength is the relationship between professional development and wider system capability, with the ranking distinguishing current services and context-specific programs from a generic claim that international education consultancy necessarily improves every classroom.

NILE — Norwich Institute for Language Education

• Headquarters: Norwich, United Kingdom
• Founded: 1995

NILE is a specialist provider of courses and consultancy for teachers, trainers and language education professionals. Established in 1995, it is based in Norwich and delivers learning in the UK, online and internationally. The evaluated organization is the language teacher-development provider rather than a general student-facing English language school.

Its offer spans short specialist courses, teacher qualifications and more sustained professional study. Areas include language teaching methodology, teacher education and contemporary classroom issues. Different programs have different validation and entry arrangements, making it important to distinguish a practical development course from a formal qualification carrying an external awarding body's requirements.

Tier II recognizes NILE's sustained specialist identity and substantive development pathways. Its strength is the focus on language educators at different career stages, supported by active delivery and consultancy, while qualification status and the suitability of a particular course remain matters for program-level examination.

Oxford University Press

• Headquarters: Oxford, United Kingdom
• Founded: 1586

Oxford University Press is the publishing department of the University of Oxford, with early printing activity preceding the formal printing privileges associated with its institutional development. The metadata uses 1586 for that established press history, rather than the university's founding. Its professional development services for educators are the scope assessed here.

The offer includes live online sessions, methodological courses and structured learning modules, particularly in English language teaching. These services connect specialist materials with questions about classroom instruction and professional practice. Training availability and format vary across markets; a teacher-resource collection alone is not treated as equivalent to a facilitated course or a formal teaching qualification.

Tier II recognizes a substantive connection between educational expertise and active teacher learning. OUP's strength is the depth of its subject environment and development offer, with inclusion grounded in those services rather than the historical authority of the Oxford name alone.

Pearson

• Headquarters: London, United Kingdom
• Founded: 1844

Pearson is an education and assessment company whose history dates to 1844. Its teacher development activity is evaluated as a service within that broader organization, rather than qualifying the company through publishing or testing alone. The relevant offer includes learning designed for educators using English language and other educational programs.

Professional development combines courses, workshops and modular pathways addressing teaching in face-to-face, online and hybrid settings. Practical tools can help participants connect ideas with classroom activity, while more structured routes have their own requirements and recognition. Teachers and schools need to distinguish general pedagogical development from training limited to the operation of a particular product.

Tier II recognizes Pearson's substantial educational expertise and active development provision. Its comparative strength is the relationship between teaching, assessment and usable professional learning, with the ranking assessing the actual service and audience rather than presuming that company scale proves course quality or effectiveness.

Research for Better Teaching

• Headquarters: Acton, Massachusetts, United States
• Founded: 1979

Research for Better Teaching is a professional development organization serving teachers, instructional leaders and school systems since 1979. Its institutional identity centres on examining what skillful teachers do and how that practice can be developed. The evaluated scope includes courses, consulting and sustained instructional support rather than the associated publications alone.

The Skillful Teacher framework provides a recognizable foundation, with learning addressing instructional decisions, expectations and leadership for teaching. Open-enrolment programs and commissioned school services offer different ways to participate. The provider's contribution is to connect research-informed ideas with the judgments educators make, including the beliefs and routines that shape classroom interaction.

Tier II recognizes the coherence and continuity of this specialist proposition. Its strength lies in sustained attention to teaching practice and the conditions supporting it, with the ranking valuing the educational model without treating a named framework as evidence of identical implementation or measured results in every school.

Teacher Development Trust

• Headquarters: Swindon, United Kingdom
• Founded: 2012

Teacher Development Trust is a UK charity founded in 2012 to improve the quality of professional development. Its current organizational base is in Swindon, distinct from its London founding history. The provider's focus is how schools and leaders create conditions for effective educator learning, rather than a single subject or commercial curriculum.

Training, professional networks and school-facing support connect evidence about development with the practical work of leadership. This model is relevant where a school needs to examine its professional learning culture, priorities and implementation rather than purchase an isolated workshop. The organization's educational contribution concerns how teachers learn together as well as the content of an individual program.

Tier II recognizes the clarity of this specialist mission. The Trust's comparative strength is the connection between research-informed development and institutional capacity, with the ranking distinguishing that service proposition from an unsupported claim that participation automatically raises attainment or changes every classroom.

The Bell Foundation

• Headquarters: Cambridge, United Kingdom
• Established (current foundation): 2012

The Bell Foundation is a language education charity whose present foundation activity dates from 2012. Its historical relationship with the wider Bell educational tradition should be distinguished from the operations of former Bell language schools. The evaluated organization remains active in professional learning, particularly around English as an Additional Language.

Training includes online, blended and face-to-face routes, webinars and courses addressing EAL assessment and provision. Programs help school staff examine multilingual learners' language development alongside access to the curriculum. This creates a specific professional purpose, especially where teachers need to separate language-learning needs from assumptions about ability or special educational needs.

Tier II recognizes the depth and clarity of this inclusion-focused proposition. The Foundation's strength is the connection between research, practical frameworks and educator training, with the ranking valuing active learning services rather than treating a free resource library as sufficient evidence of professional development delivery.

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Tier III — Specialist Teacher Professional Development Providers

(Alphabetical order)

Bureau of Education & Research

• Headquarters: Bellevue, Washington, United States
• Founded: 1976

The Bureau of Education & Research is a professional development provider founded by educators in 1976. Its services address classroom teachers, school staff and leaders across the United States and Canada. The evaluated organization is the training provider, with books, kits and other materials understood as supporting resources rather than its sole basis for eligibility.

Live online events, seminars, self-study and on-site development provide several participation routes. The breadth of topics can serve educators seeking a focused response to an immediate teaching or school problem. Format matters: an individual webinar and a commissioned school program create different opportunities for practice, discussion and follow-up.

Tier III recognizes BER's continuing service identity and accessible range of development formats. Its strength is a practical, clearly organized route into professional learning, with the ranking avoiding a claim that course completion, attendance or optional credit automatically establishes classroom effectiveness or a regulated teaching qualification.

CAST

• Headquarters: Lynnfield, Massachusetts, United States
• Founded: 1984

CAST is a nonprofit research and development organization founded in 1984, closely associated with Universal Design for Learning. Its teacher-development services are the scope evaluated here. The organization should be distinguished from unrelated software and engineering businesses using the same name, and from a generic accessibility consultancy without an educational mission.

Professional learning includes introductory and advanced workshops, lesson-planning support, coaching, consultations and schoolwide implementation work. The proposition connects the design of learning environments with the barriers learners encounter. That offers educators a framework for examining participation and access, rather than treating inclusion solely as an individual accommodation after a lesson has been designed.

Tier III recognizes CAST's substantive specialist contribution to inclusive teaching. Its strength is the relationship between a developed educational framework and active professional learning, with suitability depending on the intended audience, implementation support and the specific barriers a school or teacher is trying to address.

Center for Responsive Schools — Responsive Classroom

• Headquarters: Turners Falls, Massachusetts, United States
• Founded: 1981

Center for Responsive Schools is the nonprofit organization behind Responsive Classroom, with roots in a laboratory school and consulting group established in 1981. This entry evaluates the provider and its professional learning once, rather than treating the classroom approach and the organization as separate institutions. Its focus connects academic, social and emotional aspects of school life.

Courses and workshops help educators examine classroom community, engaging academics, management and developmental awareness. The model supplies routines and professional language for the daily conditions in which learning occurs. Active training is central to inclusion here; the availability of books and resources alone would not establish the same service proposition.

Tier III recognizes a coherent specialist approach supported by an identifiable organization. Its comparative strength is attention to the relationship between classroom culture and instruction, while the ranking distinguishes a substantive educational model from a universal claim about improved outcomes in every participating classroom.

Evidence Based Education

• Headquarters: Sunderland, United Kingdom
• Founded: 2015

Evidence Based Education is a teacher-development organization founded in 2015 and based in Sunderland. Its work connects research on teaching with professional learning and tools for examining practice. The evaluated provider includes its development services rather than a software subscription or a set of educational reports in isolation.

The Great Teaching Toolkit supplies a recognizable framework for professional inquiry. Structured learning and feedback can help teachers identify priorities, examine practice and work with colleagues over time. The important educational distinction is between collecting information and using it within a supported development process; a survey or dashboard alone does not supply the latter.

Tier III recognizes the coherence of this research-to-practice proposition. The organization's strength lies in connecting an explicit teaching framework with continuing educator learning, with the ranking avoiding an inference that the evidence-based name guarantees the causal effectiveness of every service or implementation in every school.

Facing History & Ourselves

• Headquarters: Boston, Massachusetts, United States
• Founded: 1976

Facing History & Ourselves is a nonprofit educational organization founded in 1976. Its professional learning supports teachers examining history, identity, civic responsibility and the choices people make in the face of prejudice and injustice. The evaluated organization is the active training provider, rather than simply its substantial collection of teaching resources.

Webinars, facilitated workshops, courses and seminars give educators several ways to develop subject knowledge and classroom approaches. The learning connects historical content with discussion, ethical questions and the conditions needed for thoughtful participation. Short introductions and more sustained courses have different purposes, making the actual format important to assessing suitability.

Tier III recognizes a distinctive subject-and-pedagogy proposition. Its strength is the relationship between historical inquiry and the professional judgments required to teach difficult material, with the ranking valuing substantive educator learning rather than presuming that resources alone establish a complete development program.

Great Minds

• Headquarters: Richmond, Virginia, United States
• Founded: 2007

Great Minds is an education organization founded in 2007 whose professional learning supports teachers using its knowledge-rich curricula. The evaluated scope is delivered educator development, distinct from the sale of curriculum materials. Its subject environment includes mathematics, language arts and science, providing a defined context for the training offered.

Workshops, coaching and on-demand learning have complementary roles in the service. Initial sessions can build curriculum understanding, while coaching and continuing support help educators examine instructional decisions during use. This is a curriculum-connected proposition: schools should consider the relationship with the materials and teaching approach they intend to implement.

Tier III recognizes the clarity of that implementation model. Great Minds' strength lies in connecting subject content with professional learning over time, with the ranking distinguishing an identifiable support structure from a guarantee that adoption or training participation produces the same classroom or student outcome in every setting.

Heinemann — US Professional Learning

• Headquarters: Portsmouth, New Hampshire, United States
• Founded: 1978

Heinemann's US professional learning business is associated with the educational publisher established in New Hampshire in 1978. The date and location refer to that US operating history, not the earlier British publishing house. The evaluated scope concerns educator development services delivered through this identifiable business.

Workshops, courses and school-based consulting connect professional resources with learning for teachers and instructional leaders. Its subject environment includes literacy and mathematics, with different offerings tied to particular approaches or programs. Schools need to examine the current content and intended audience rather than infer a common evidence base or educational method across every publication and training service.

Tier III recognizes the substantive connection between specialist educational content and active professional learning. Its strength is an established route from ideas and materials into facilitated development, while inclusion does not endorse every instructional claim or imply that a resource purchase provides the same support as a commissioned learning engagement.

IRIS Connect

• Headquarters: Southwick, United Kingdom
• Founded: 2007

IRIS Connect is a teacher-development organization whose origins in 2007 involved work on video in teacher learning. Its current UK base is in Southwick, near Brighton. The provider is included for its professional learning and coaching proposition, with technology understood as part of that service rather than sufficient eligibility on its own.

Video reflection allows educators to revisit classroom activity, discuss evidence and engage in coaching with colleagues. The learning model depends on trust, appropriate consent and purposeful professional dialogue. Recording a lesson does not automatically create development; the value lies in the structured reflection and feedback supported around the material.

Tier III recognizes the coherence of this practice-focused model. IRIS Connect's distinctive contribution is making classroom observation available for repeated examination within a development process, with the ranking distinguishing that educational architecture from unverified claims about a uniform improvement in teaching or pupil outcomes.

Kagan Publishing & Professional Development

• Headquarters: San Clemente, California, United States
• Founded: 1989

Kagan Publishing & Professional Development is an education business with an established focus on cooperative learning and classroom engagement. The metadata uses the publishing organization's 1989 incorporation, distinguished from the earlier development of Spencer Kagan's educational work. Its active training services are the evaluated offer.

Workshops, academies and school-based coaching introduce structured ways for learners to participate and interact. Kagan Structures provide a recognizable method, with training addressing how teachers organize activity rather than simply supplying a set of worksheets. The relevant educational question is how a chosen structure supports the intended learning and the needs of a particular class.

Tier III recognizes a clear specialist proposition with several delivery routes. Kagan's strength lies in a defined approach to participation and collaborative classroom work, while the ranking avoids treating the presence of a named structure as proof of suitability for every task, age group or subject.

Lexia Learning

• Headquarters: Concord, Massachusetts, United States
• Founded: 1984

Lexia Learning is a literacy education business founded in 1984 and part of Cambium Learning Group. Its professional learning is evaluated separately from its learner-facing reading software. LETRS and other educator-development offerings give it a substantive training proposition, making inclusion more than a consequence of selling instructional technology.

LETRS develops knowledge of language, reading and spelling for educators and administrators, with defined routes for different professional audiences. The emphasis on disciplinary understanding matters because teaching reading requires more than familiarity with a product interface. Schools should examine the actual course sequence, facilitation and implementation conditions attached to their chosen pathway.

Tier III recognizes Lexia's specialist depth in literacy professional learning. Its comparative strength is the connection between subject knowledge and educator development, with the ranking distinguishing current services and audiences from claims that course participation guarantees improved reading outcomes or replaces a formal teaching qualification.

National Geographic Learning — Teacher Development

• Provider / operator: Cengage Group
• Headquarters (provider): Boston, Massachusetts, United States
• Founded (provider): 2007

National Geographic Learning provides teacher-development services within Cengage Group. The headquarters and 2007 founding information refer to the provider, Cengage, rather than claiming that the training service or the National Geographic organization began in that year. The evaluated scope is active professional learning for educators, particularly English language teachers.

Its webinar program brings together teacher trainers, authors and other specialist contributors around methodology and classroom practice. Live sessions and recordings offer different participation routes, while some development is linked with particular educational materials. The service therefore needs to be assessed through its content and audience rather than the prominence of the National Geographic name.

Tier III recognizes a substantive, accessible specialist learning offer. Its strength is a continuing route into language-teaching development supported by identifiable contributors, with the ranking distinguishing facilitated professional activity from a resource library and avoiding an implied formal teaching qualification for every webinar participant.

National Institute of Education, Singapore

• Provider / operator: National Institute of Education, Nanyang Technological University
• Headquarters: Singapore
• Established (current institute): 1991

The National Institute of Education is an autonomous institute within Nanyang Technological University. It was formed in 1991 through a merger, with predecessor teacher-education activity extending back to 1950. The evaluated unit is NIE's professional development provision, distinct from the whole university and from initial teacher preparation alone.

Its role includes development for practicing teachers and school leaders within Singapore's education system, alongside research and academic programs. That university-based setting can connect pedagogical inquiry, subject knowledge and professional practice. Specific courses and qualifications have their own entry and awarding arrangements, and international availability should be checked rather than inferred from the institute's national role.

Tier III recognizes a substantive institutional model for continuing educator learning. NIE's strength is the connection between teacher development and a developed research-and-education environment, with the ranking preserving the exact institute scope and avoiding the use of NTU's history or resources as an automatic description of every service.

Osiris Educational

• Headquarters: Lincoln, United Kingdom
• Founded: 1996

Osiris Educational is a UK professional development provider established in 1996. Its work includes courses, conferences and school-based training for teachers and leaders. The organization is evaluated through those delivered services rather than a publishing catalogue, and its current educational proposition remains more relevant than historical descriptions of individual events.

The Osiris Teaching Intervention provides a concrete school-based model for professional learning. The wider offer addresses teaching practice and school development through specialist contributors and different formats. A school should examine the objectives, duration and follow-up attached to a commissioned intervention, since these determine how learning connects with teachers' continuing work.

Tier III recognizes the substance of an identifiable training organization with a focused implementation offer. Its comparative strength is the connection between professional expertise and school-based development, while the ranking treats provider case studies as contextual material rather than proof of identical effects across schools.

Teacher Learning Network

• Headquarters: Melbourne, Victoria, Australia
• Founded: 1994

Teacher Learning Network is an Australian not-for-profit professional development organization established in 1994 by education unions in Victoria and Tasmania. Its audience includes teachers, leaders and support staff across early childhood, primary and secondary settings. The evaluated organization is the continuing development network rather than a school, regulator or initial teacher-training institution.

Courses draw on presenters with classroom experience, with live sessions, recordings and customized content providing different routes for participation. This gives the provider a practical connection with educators' day-to-day work. The format and intended role matter: development for a classroom teacher, a school leader and an education support worker can require different content and expectations.

Tier III recognizes a substantive practitioner-connected learning model. TLN's contribution is accessible professional development grounded in an identifiable education community, with the ranking valuing the service structure without presuming that union affiliation, attendance or course completion establishes measured classroom effectiveness.

Teaching Lab

• Organizational base: Washington, DC, United States
• Founded: 2016

Teaching Lab is a nonprofit professional learning organization founded in 2016. Its model connects curriculum-based development with teacher communities and repeated cycles of inquiry. The evaluated organization is the active delivery provider, with its Washington location identified at city level rather than treating a mailing suite as evidence of a particular operating headquarters facility.

The Head, Heart & Habits model combines content, professional relationships and the routines needed to use learning over time. Coaching and support for districts and states aim to build local capacity around curriculum implementation. This makes the service more specific than a general promise of inspiring teachers or offering an online collection of activities.

Tier III recognizes the coherence of that development design. Teaching Lab's strength is the relationship between subject content, collaborative learning and implementation, with the ranking distinguishing an explicit model from independent proof that every engagement produces the same instructional or student result.

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Remarks

Professional development becomes valuable through what educators can understand, examine and use. Different providers contribute different kinds of expertise: a reading course, an EAL program, an inclusion workshop and a leadership pathway should not be treated as substitutes. The ranking recognizes organizations with substantive educational propositions and makes the service model visible, allowing readers to assess relevance before considering reputation or reach.

Schools should connect provider selection with an actual development need. Staff time, leadership support, curriculum and opportunities for practice affect what a program can achieve. A strong provider can supply expertise and structure, but participation alone does not establish a change in teaching or a measurable pupil outcome. The comparison avoids converting testimonials or broad marketing statements into verified causal evidence.

Participants should also examine recognition carefully. Academic credit, a professional designation and a certificate of completion have different purposes. Any requirement for licensing, employment or career progression should be checked with the relevant authority. The profiles distinguish present organizations and operating units so that historical founding dates and parent affiliations do not create an inaccurate impression of the training service itself.

Tier I recognizes particularly coherent and influential development propositions. Tier II includes established organizations with substantial delivery capability, and Tier III recognizes focused specialists and differentiated operating models. Alphabetical order within the latter tiers conveys no individual rank. The selection is a qualitative institutional comparison grounded in current services, with the best choice remaining dependent on the teacher, school and educational problem involved.

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Recognition

Inclusion in the Top 30 Teacher Professional Development Providers 2027 ranking is an editorial determination of The Economy Rankings and does not require licensing, advertising, sponsorship, or other commercial participation.

Ranked organizations may factually refer to their inclusion in the ranking in their own communications. When describing the result, entities should accurately reflect the tier structure and methodology used in the published ranking.

How the ranking should be interpreted

• Tier I represents the Top 5 entities, and the published order within Tier I reflects the ranking order.
• Tier II represents entities ranked within the Top 15, following Tier I. Entities within Tier II are displayed alphabetically; their displayed order should therefore not be interpreted as an individual numerical ranking.
• Tier III represents entities ranked within the Top 30, following Tiers I and II. Entities within Tier III are also displayed alphabetically, and their displayed order should not be interpreted as an individual numerical ranking.
• An entity's tier, rather than its alphabetical position within Tier II or Tier III, should therefore be used when describing its standing.

Referencing the ranking

Depending on the entity's published tier, appropriate factual descriptions may include:

• Tier I: “Ranked Tier I” or “Ranked among the Top 5”
• Tier II: “Ranked Tier II” or “Ranked among the Top 15”
• Tier III: “Ranked Tier III” or “Ranked among the Top 30”

Entities should not describe an alphabetical position within Tier II or Tier III as a specific numerical rank.

Use of The Economy Rankings recognition materials

Editorial inclusion in a ranking does NOT by itself grant permission to use The Economy Rankings badges, seals, logos, official recognition graphics, licensed quotations, or other proprietary recognition materials.

Organizations wishing to use official The Economy Rankings recognition materials in corporate websites, marketing materials, investor communications, client presentations, social media, press releases, or other external communications should refer to the applicable licensing terms and usage policies:

• The Economy Rankings License Structure — available licence levels and permitted recognition uses
  The Economy Rankings License Structure | The Economy Rankings
• The Economy Rankings License Policy — licensing conditions governing use of The Economy Rankings recognition, marks, and related materials
  The Economy Rankings License Policy | The Economy Rankings
• Recognition Use Guide — guidance on permitted wording, presentation, attribution, and use of ranking recognition
  Recognition Use Guide | The Economy Rankings

Purchasing or holding a recognition-materials licence does not confer inclusion or a higher tier.

Recognized institutions may reference the designation in:

• corporate websites
• investor communications
• marketing materials
• client presentations

Licensing inquiries:
[email protected]