Company lists · Data refreshed November 2026

Top 23 International school networks based in Thailand

RevenueBase identified 48 company matches for international school networks associated with Thailand as of November 2026 and tracks 2,917 professional contacts across them, including 774 with verified work emails. Bangkok is the largest hub.

This list covers company matches for international school networks associated with Thailand, 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.

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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
48Companies
2,917Contacts tracked
774Verified emails
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The 23 largest international school networks based in Thailand

Ranked by team size
Top 23 of 48 company matches for international school networks based in Thailand, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchKhlong Toei Nuea, ThailandHQ recorded Nov 6, 2026501-1,000386 contacts →

Exact match

“The first and only full, not-for-profit International Baccalaureate (IB) World School in Bangkok, NIST International School was established in 1992 with the support of the United…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchDon Mueang, ThailandHQ recorded Nov 6, 2026201-500282 contacts →

Exact match

“Harrow International School Bangkok is organised into two sections: Lower School, which comprises the Early Years Centre (from Little Lions to K2) and the Pre Prep (Infants and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-500257 contacts →

Exact match

“RIS is one of Thailand's longest-running international schools."Ruamrudee." Thai for "Union of Hearts," perfectly captures this Catholic school's philosophy of welcoming all…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBangkok, ThailandHQ recorded Nov 6, 2026501-1,000209 contacts →

Exact match

“St.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchAmphur Pakkret, ThailandHQ recorded Nov 6, 2026501-1,000193 contacts →

Exact match

“Established in 1951, International School Bangkok (ISB) is an independent, non-profit, co-educational day school serving a community of over 60 nationalities from Pre-Kindergarten…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBangkok, ThailandHQ recorded Nov 6, 202651-200170 contacts →

Exact match

“Wells International School, a branch of the EverClever Education Group and a member of the International Schools Association of Thailand, is an international school that consists…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchThalang, ThailandHQ recorded Nov 6, 202651-200129 contacts →

Exact match

“Encircled by rubber tree plantations and virgin rainforest, United World College Thailand International School sits nestled in the foothills of Phuket’s green-capped mountains…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-50097 contacts →

Exact match

“Concordian International School is a Pre-K to Grade 12 IB World School located in Bangkaew, Bangplee, Bangkok, Samutprakarn, Thailand; which is around 10 minutes to central…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchPhuket, ThailandHQ recorded Nov 6, 2026201-50084 contacts →

Exact match

“Founded in 2005, HeadStart International school has rapidly developed into one of the leading International Schools in Phuket.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchChiang Mai, ThailandHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“Panyaden International School, Chiang Mai, Thailand Our vision is to provide your child with an education that forms a solid foundation not only for successful academic study, but…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSamae Dam, ThailandHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Opening in August 2019, BASIS International School Bangkok (BISB) is a part of the worldwide BASIS Curriculum Schools Network, America’s most successful academic network.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMuang, ThailandHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Conveniently located in the city of Chiang Mai, Chiang Mai International School (CMIS) provides high quality education in an ideal social and cultural environment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-50061 contacts →

Exact match

“| ELC - Family of International Schools Bangkok We are a multicultural family of children, parents and teachers striving to develop a community of lifelong learners.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchYan Nawa District, ThailandHQ recorded Nov 6, 202611-5020 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchHatyai, ThailandHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“Bloomsbury International School Hatyai is a leading international school in Songkla, Thailand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUbon Ratchathani, ThailandHQ recorded Nov 6, 202651-20018 contacts →

Exact match

“Ubon Adventist International Mission School is a company based out of 148 ถนนพโลรังฤทธิ์, Ubon Ratchathani, Ubon Ratchathani, Thailand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchWattana, ThailandHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“CETA Worldwide Education founded in 2002, CETA Worldwide Education is Thailand’s longest-established specialist in international school placements and bespoke program development…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchChiang Mai, ThailandHQ recorded Nov 6, 202651-20013 contacts →

Exact match

“Private bilingual school for Kindergarten, Primary and Secondary education in Chiang Mai, Thailand- Hello and welcome from the management team at Marmara Schools Wichai Wittaya.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPak Kret, ThailandHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Welcome to Rose Marie Academy!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchMuang District, ThailandHQ recorded Nov 6, 202611-5010 contacts →

Exact match

“A compact-sized and growing international school in Lampang offering full-immersion English programs from Nursery to Primary levels.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBang Yi Khan, ThailandHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“Thewphaingarm school (TPG) provides our pupils with a wide variety of subjects, taught by experienced and dedicated teachers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchMueang Pathum Thani District, ThailandHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“The Invictus International Programme (IIP) is one of the newest institutions to join Bangkok’s growing number of international schools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchChiang Mai, ThailandHQ recorded Nov 6, 2026201-5007 contacts →

Exact match

“Prem Tinsulanonda International School is a leading co-educational boarding and day International Baccalaureate (IB) World School.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 23 of 48 international school networks based in Thailand

See the full list, filter by size, metro and specialty, and access 774 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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International school networks based in Thailand at a glance

As of Nov 6, 2026
26.5%Verified-email coverage
60.8Average contacts per company
51-200Median size (employees)
29.2%Largest-city concentration · Bangkok
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
4
11-50
9
51-200
20
201-500
8
501-1,000
5
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Thailand, so it is reported there. Company counts and contact totals on this page are exact for Thailand, over 48 companies.

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.
What qualifies
Company records associated with Thailand whose business descriptions match “international school networks” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 774 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.

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 “international school networks”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many international school networks are there based in Thailand?

RevenueBase identified 48 company matches for international school networks associated with Thailand 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?

Nist International School tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most international school networks?

Bangkok leads with 14 company records, followed by Bangkok City (6) and Chiang Mai (5).

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 774 professional contacts with verified work emails tracked across these 48 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.

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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.