Company lists · Data refreshed November 2026
Top 25 Professional development schools worldwide
RevenueBase identified 1,989 company matches for professional development schools worldwide as of November 2026 and tracks 66,645 professional contacts across them, including 10,839 with verified work emails. The United States is the largest market and New York the largest hub.
This list covers company matches for professional development schools worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026. Country and city lists for professional development schools follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest professional development schools worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 7,036 contacts → | ||||
Exact match “Vision To be a transformative teaching service for quality education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 1,897 contacts → | ||||
Exact match “A teacher development non-profit committed to increasing teacher effectiveness to prepare urban students with critical-thinking and college readiness skills.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 1,705 contacts → | ||||
Exact match “CPS is specialist in schoolontwikkeling en professionalisering.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 1,474 contacts → | ||||
Exact match “Teach For All supports and connects a global network of independent organizations working around the world to ensure that every child has access to an equitable and excellent…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 1,278 contacts → | ||||
Exact match “The National Institute of Education (NIE), an autonomous institute of the Nanyang Technological University (NTU), Singapore is among the world's top education institutes, renowned…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 923 contacts → | ||||
Exact match “Our Mission Inspire next-generation leaders with a passion for teaching and learning while impacting the lives of youth.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 835 contacts → | ||||
Exact match “The University of Education was established in 2002 as the highest seat of learning in teacher education with clear goals and objectives of producing quality teachers of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 683 contacts → | ||||
Exact match “Welcome to a collaborative teaching community of lifelong learners.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 644 contacts → | ||||
Exact match “The Zurich University of Teacher Education (PH Zurich) is one of the largest educational institutions for teachers in Switzerland, with around 3800 students, 24'500 continuing…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 632 contacts → | ||||
Exact match “Occupational and Vocational Education” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 548 contacts → | ||||
Exact match “Lift Schools believes an excellent education is an entitlement for every child, and we do everything in our power to ensure that our schools are making that a reality for every…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 515 contacts → | ||||
Exact match “University of Teacher Education” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 496 contacts → | ||||
Exact match “Best Practice Network has a track record of delivering outstanding school improvement and professional development services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 410 contacts → | ||||
Exact match “Cross Country Education is educator-led, student-driven and solutions orientated.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 409 contacts → | ||||
Exact match “NAF is where opportunity begins!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 403 contacts → | ||||
Exact match “A great teacher changes the future every day.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 382 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 377 contacts → | ||||
Exact match “Somos uma plataforma de educação que, há +60 anos, personaliza o ensino e a aprendizagem de acordo com o perfil de cada escola, engajando, com eficiência, estudantes e professores…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 349 contacts → | ||||
Exact match “Heart Corporation + Socioak Group Heart Corporation has been assisting teachers in schools for 33 years!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 338 contacts → | ||||
Exact match “Philippine Normal University is a Writing and Editing company located in Philippines.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 328 contacts → | ||||
Exact match “NTC builds a resilient, modern educator workforce with enriching professional learning that inspires teachers to stay, grow, and lead.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 305 contacts → | ||||
Exact match “Relay Graduate School of Education (Relay) is a national, accredited, nonprofit institution of higher education whose mission is to teach teachers and school leaders to develop in…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 292 contacts → | ||||
Exact match “PHSG Pädagogische Hochschule St.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 287 contacts → | ||||
Exact match “Teachers of Tomorrow develops confident educators who believe in the potential of every student.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 285 contacts → | ||||
Exact match “The Golden Apple Foundation’s mission is to inspire, develop and support teacher and school leader excellence, especially in schools-of-need.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “professional development schools”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,989 professional development schools worldwide
See the full list, filter by size, metro and specialty, and access 10,839 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Professional development schools worldwide at a glance
As of Nov 6, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for professional development schools are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “professional development schools” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 10,839 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Professional development schools by location
11 lists · largest firstEvery Professional development schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Professional development schools based in the United States633
- Professional development schools based in the United Kingdom189
- Professional development schools based in India148
- Professional development schools based in the Netherlands89
- Professional development schools based in Brazil55
- Professional development schools based in Australia44
- Professional development schools based in France32
- Professional development schools based in Argentina31
- Professional development schools based in Canada28
Cities
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “professional development schools”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many professional development schools are there worldwide?
RevenueBase identified 1,989 company matches for professional development schools worldwide as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
TSC tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most professional development schools?
The United States leads with 633 companies, followed by the United Kingdom (189) and India (148). Every professional development schools list by country and city is linked on this page.
Which city has the most professional development schools?
New York leads with 33 company records, followed by London (26) and Sao Paulo (22).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 10,839 professional contacts with verified work emails tracked across these 1,989 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,989 professional development schools worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 professional development schools worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,989 matching company records for professional development schools worldwide, with 66,645 tracked contacts and 10,839 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 professional development schools worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  TSCtsc.go.keHQ: Nairobi, KenyaReported employees: 10001+ | Nairobi, Kenya | 10001+ | Exact match | 7,036 contacts → |
“Vision To be a transformative teaching service for quality education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Teaching Mattersteachingmatters.orgHQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 1,897 contacts → |
“A teacher development non-profit committed to increasing teacher effectiveness to prepare urban students with critical-thinking and college readiness skills.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Amersfoort, NetherlandsReported employees: Not recorded | Amersfoort, Netherlands | Not recorded | Exact match | 1,705 contacts → |
“CPS is specialist in schoolontwikkeling en professionalisering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Teach For ALLteachforall.orgHQ: New York, United StatesReported employees: Not recorded | New York, United States | Not recorded | Exact match | 1,474 contacts → |
“Teach For All supports and connects a global network of independent organizations working around the world to ensure that every child has access to an equitable and excellent…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 1,278 contacts → |
“The National Institute of Education (NIE), an autonomous institute of the Nanyang Technological University (NTU), Singapore is among the world's top education institutes, renowned…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Fresno, CA, United StatesReported employees: 1,001-5,000 | Fresno, CA, United States | 1,001-5,000 | Exact match | 923 contacts → |
“Our Mission Inspire next-generation leaders with a passion for teaching and learning while impacting the lives of youth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  University Of Education, Lahoreue.edu.pkHQ: Lahore, PakistanReported employees: 1,001-5,000 | Lahore, Pakistan | 1,001-5,000 | Exact match | 835 contacts → |
“The University of Education was established in 2002 as the highest seat of learning in teacher education with clear goals and objectives of producing quality teachers of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Shanghai American Schoolsaschina.orgHQ: Shanghai, ChinaReported employees: 501-1,000 | Shanghai, China | 501-1,000 | Exact match | 683 contacts → |
“Welcome to a collaborative teaching community of lifelong learners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Zurich, SwitzerlandReported employees: 501-1,000 | Zurich, Switzerland | 501-1,000 | Exact match | 644 contacts → |
“The Zurich University of Teacher Education (PH Zurich) is one of the largest educational institutions for teachers in Switzerland, with around 3800 students, 24'500 continuing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Broome-Tioga Bocesbtboces.orgHQ: Binghamton, United StatesReported employees: 1,001-5,000 | Binghamton, United States | 1,001-5,000 | Exact match | 632 contacts → |
“Occupational and Vocational Education” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Lift Schoolsliftschools.orgHQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 548 contacts → |
“Lift Schools believes an excellent education is an entitlement for every child, and we do everything in our power to ensure that our schools are making that a reality for every…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Pädagogische Hochschule Bern Phbernphbern.chHQ: Bern, SwitzerlandReported employees: 1,001-5,000 | Bern, Switzerland | 1,001-5,000 | Exact match | 515 contacts → |
“University of Teacher Education” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Best Practice Networkbestpracticenet.co.ukHQ: Baldwin Street, United KingdomReported employees: 201-500 | Baldwin Street, United Kingdom | 201-500 | Exact match | 496 contacts → |
“Best Practice Network has a track record of delivering outstanding school improvement and professional development services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Cross Country Educationcrosscountry.comHQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 410 contacts → |
“Cross Country Education is educator-led, student-driven and solutions orientated.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  NAFnaf.orgHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 409 contacts → |
“NAF is where opportunity begins!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Ambition Instituteambition.org.ukHQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 403 contacts → |
“A great teacher changes the future every day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Farhangian Universitycfu.ac.ir HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 382 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 |  COC Plataforma DE Educaçãococ.com.brHQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 377 contacts → |
“Somos uma plataforma de educação que, há +60 anos, personaliza o ensino e a aprendizagem de acordo com o perfil de cada escola, engajando, com eficiência, estudantes e professores…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Heart Corporationheart-school.jpHQ: Minato-ku, JapanReported employees: 501-1,000 | Minato-ku, Japan | 501-1,000 | Exact match | 349 contacts → |
“Heart Corporation + Socioak Group Heart Corporation has been assisting teachers in schools for 33 years!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Philippine Normal Universitypnu.edu.ph HQ: Manila, PhilippinesReported employees: 201-500 | Manila, Philippines | 201-500 | Exact match | 338 contacts → |
“Philippine Normal University is a Writing and Editing company located in Philippines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  NEW Teacher Centernewteachercenter.orgHQ: Santa Cruz, CA, United StatesReported employees: 51-200 | Santa Cruz, CA, United States | 51-200 | Exact match | 328 contacts → |
“NTC builds a resilient, modern educator workforce with enriching professional learning that inspires teachers to stay, grow, and lead.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Relay Graduate School Of Educationrelay.eduHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 305 contacts → |
“Relay Graduate School of Education (Relay) is a national, accredited, nonprofit institution of higher education whose mission is to teach teachers and school leaders to develop in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: St. Gallen, SwitzerlandReported employees: 501-1,000 | St. Gallen, Switzerland | 501-1,000 | Exact match | 292 contacts → |
“PHSG Pädagogische Hochschule St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Teachers Of Tomorrowteachersoftomorrow.orgHQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 287 contacts → |
“Teachers of Tomorrow develops confident educators who believe in the potential of every student.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Golden Apple Foundationgoldenapple.orgHQ: 205, United StatesReported employees: Not recorded | 205, United States | Not recorded | Exact match | 285 contacts → |
“The Golden Apple Foundation’s mission is to inspire, develop and support teacher and school leader excellence, especially in schools-of-need.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,989 company matches
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Professional development schools: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,974 records in the displayed employee bands.
15 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,989 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Professional development schools by location
11 lists · largest firstEvery Professional development schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Professional development schools based in the United States633
- Professional development schools based in the United Kingdom189
- Professional development schools based in India148
- Professional development schools based in the Netherlands89
- Professional development schools based in Brazil55
- Professional development schools based in Australia44
- Professional development schools based in France32
- Professional development schools based in Argentina31
- Professional development schools based in Canada28
Cities
Questions about this company list
What does Exact match mean for professional development schools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many professional development schools did RevenueBase find worldwide?
The saved snapshot records 1,989 matching company records, 66,645 tracked contacts and 10,839 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 25 professional development schools worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/professional-development-schools.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 professional development schools worldwide
RevenueBase records 1,989 matching company records for professional development schools worldwide, with 66,645 tracked contacts and 10,839 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 professional development schools worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | TSCtsc.go.ke HQ: Nairobi, KenyaReported employees: 10001+ | Nairobi, Kenya | 10001+ | Exact match | 7,036 contacts → |
“Vision To be a transformative teaching service for quality education.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Teaching Mattersteachingmatters.org HQ: New York, NY, United StatesReported employees: Not recorded | New York, NY, United States | Not recorded | Exact match | 1,897 contacts → |
“A teacher development non-profit committed to increasing teacher effectiveness to prepare urban students with critical-thinking and college readiness skills.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Amersfoort, NetherlandsReported employees: Not recorded | Amersfoort, Netherlands | Not recorded | Exact match | 1,705 contacts → |
“CPS is specialist in schoolontwikkeling en professionalisering.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Teach For ALLteachforall.org HQ: New York, United StatesReported employees: Not recorded | New York, United States | Not recorded | Exact match | 1,474 contacts → |
“Teach For All supports and connects a global network of independent organizations working around the world to ensure that every child has access to an equitable and excellent…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: SingaporeReported employees: 501-1,000 | Singapore | 501-1,000 | Exact match | 1,278 contacts → |
“The National Institute of Education (NIE), an autonomous institute of the Nanyang Technological University (NTU), Singapore is among the world's top education institutes, renowned…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Fresno, CA, United StatesReported employees: 1,001-5,000 | Fresno, CA, United States | 1,001-5,000 | Exact match | 923 contacts → |
“Our Mission Inspire next-generation leaders with a passion for teaching and learning while impacting the lives of youth.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | University Of Education, Lahoreue.edu.pk HQ: Lahore, PakistanReported employees: 1,001-5,000 | Lahore, Pakistan | 1,001-5,000 | Exact match | 835 contacts → |
“The University of Education was established in 2002 as the highest seat of learning in teacher education with clear goals and objectives of producing quality teachers of…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Shanghai American Schoolsaschina.org HQ: Shanghai, ChinaReported employees: 501-1,000 | Shanghai, China | 501-1,000 | Exact match | 683 contacts → |
“Welcome to a collaborative teaching community of lifelong learners.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Zurich, SwitzerlandReported employees: 501-1,000 | Zurich, Switzerland | 501-1,000 | Exact match | 644 contacts → |
“The Zurich University of Teacher Education (PH Zurich) is one of the largest educational institutions for teachers in Switzerland, with around 3800 students, 24'500 continuing…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Broome-Tioga Bocesbtboces.org HQ: Binghamton, United StatesReported employees: 1,001-5,000 | Binghamton, United States | 1,001-5,000 | Exact match | 632 contacts → |
“Occupational and Vocational Education” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Lift Schoolsliftschools.org HQ: London, United KingdomReported employees: 5,001-10,000 | London, United Kingdom | 5,001-10,000 | Exact match | 548 contacts → |
“Lift Schools believes an excellent education is an entitlement for every child, and we do everything in our power to ensure that our schools are making that a reality for every…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Pädagogische Hochschule Bern Phbernphbern.ch HQ: Bern, SwitzerlandReported employees: 1,001-5,000 | Bern, Switzerland | 1,001-5,000 | Exact match | 515 contacts → |
“University of Teacher Education” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Best Practice Networkbestpracticenet.co.uk HQ: Baldwin Street, United KingdomReported employees: 201-500 | Baldwin Street, United Kingdom | 201-500 | Exact match | 496 contacts → |
“Best Practice Network has a track record of delivering outstanding school improvement and professional development services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Cross Country Educationcrosscountry.com HQ: Boca Raton, FL, United StatesReported employees: 1,001-5,000 | Boca Raton, FL, United States | 1,001-5,000 | Exact match | 410 contacts → |
“Cross Country Education is educator-led, student-driven and solutions orientated.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | NAFnaf.org HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 409 contacts → |
“NAF is where opportunity begins!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Ambition Instituteambition.org.uk HQ: London, United KingdomReported employees: 201-500 | London, United Kingdom | 201-500 | Exact match | 403 contacts → |
“A great teacher changes the future every day.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Farhangian Universitycfu.ac.ir HQ: United StatesReported employees: 1,001-5,000 | United States | 1,001-5,000 | Exact match | 382 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | COC Plataforma DE Educaçãococ.com.br HQ: Sao Paulo, BrazilReported employees: 201-500 | Sao Paulo, Brazil | 201-500 | Exact match | 377 contacts → |
“Somos uma plataforma de educação que, há +60 anos, personaliza o ensino e a aprendizagem de acordo com o perfil de cada escola, engajando, com eficiência, estudantes e professores…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Heart Corporationheart-school.jp HQ: Minato-ku, JapanReported employees: 501-1,000 | Minato-ku, Japan | 501-1,000 | Exact match | 349 contacts → |
“Heart Corporation + Socioak Group Heart Corporation has been assisting teachers in schools for 33 years!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Philippine Normal Universitypnu.edu.ph HQ: Manila, PhilippinesReported employees: 201-500 | Manila, Philippines | 201-500 | Exact match | 338 contacts → |
“Philippine Normal University is a Writing and Editing company located in Philippines.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | NEW Teacher Centernewteachercenter.org HQ: Santa Cruz, CA, United StatesReported employees: 51-200 | Santa Cruz, CA, United States | 51-200 | Exact match | 328 contacts → |
“NTC builds a resilient, modern educator workforce with enriching professional learning that inspires teachers to stay, grow, and lead.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Relay Graduate School Of Educationrelay.edu HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 305 contacts → |
“Relay Graduate School of Education (Relay) is a national, accredited, nonprofit institution of higher education whose mission is to teach teachers and school leaders to develop in…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: St. Gallen, SwitzerlandReported employees: 501-1,000 | St. Gallen, Switzerland | 501-1,000 | Exact match | 292 contacts → |
“PHSG Pädagogische Hochschule St.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Teachers Of Tomorrowteachersoftomorrow.org HQ: Houston, TX, United StatesReported employees: 51-200 | Houston, TX, United States | 51-200 | Exact match | 287 contacts → |
“Teachers of Tomorrow develops confident educators who believe in the potential of every student.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Golden Apple Foundationgoldenapple.org HQ: 205, United StatesReported employees: Not recorded | 205, United States | Not recorded | Exact match | 285 contacts → |
“The Golden Apple Foundation’s mission is to inspire, develop and support teacher and school leader excellence, especially in schools-of-need.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,989 company matches
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Professional development schools: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,974 records in the displayed employee bands.
15 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,989 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Professional development schools by location
11 lists · largest firstEvery Professional development schools list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Professional development schools based in the United States633
- Professional development schools based in the United Kingdom189
- Professional development schools based in India148
- Professional development schools based in the Netherlands89
- Professional development schools based in Brazil55
- Professional development schools based in Australia44
- Professional development schools based in France32
- Professional development schools based in Argentina31
- Professional development schools based in Canada28
Cities
Questions about this company list
What does Exact match mean for professional development schools?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many professional development schools did RevenueBase find worldwide?
The saved snapshot records 1,989 matching company records, 66,645 tracked contacts and 10,839 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 professional development schools worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/professional-development-schools.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗