Company lists · Data refreshed November 2026

Top 25 Private international schools based in Thailand

RevenueBase identified 157 company matches for private international schools associated with Thailand as of November 2026 and tracks 8,120 professional contacts across them, including 1,933 with verified work emails. Bangkok is the largest hub.

This list covers company matches for private international schools 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
157Companies
8,120Contacts tracked
1,933Verified emails
Explore this list → Free signup · no credit card · 500 free credits

The 25 largest private international schools based in Thailand

Ranked by team size
Top 25 of 157 company matches for private international schools 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 matchBangkok City, ThailandHQ recorded Nov 6, 2026501-1,000467 contacts →

Exact match

“Established in 1957, Bangkok Patana School is the original and only not-for-profit British school in Bangkok.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchBangkok, ThailandHQ recorded Nov 6, 2026501-1,000313 contacts →

Exact match

“SISB is a leading international school in Thailand providing education from Nursery to Sixth Form (Ages 2-18 ).”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-500255 contacts →

Exact match

“Anglo Singapore International School was created to provide a international holistic programme for students growing up in an increasingly global society.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-500254 contacts →

Exact match

“Opened in 2003 and founded in the traditions of our UK sister school, Shrewsbury International School Bangkok Riverside is one of the leading independent schools in South East…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchBangkok, ThailandHQ recorded Nov 6, 202651-200199 contacts →

Exact match

“KIS International School Bangkok centrally located in Bangkok, Thailand is the only school in Bangkok to offer all four International Baccalaureate programmes.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact 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
11Exact matchA. Muang, ThailandHQ recorded Nov 6, 2026201-500184 contacts →

Exact match

“British International School Phuket (BISP) is a leading British day and boarding school in Thailand (est.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact 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
13Exact matchBangkok, ThailandHQ recorded Nov 6, 2026201-500156 contacts →

Exact match

“Bangkok Prep (Bangkok International Preparatory & Secondary School) is one of the leading independent international schools in Thailand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSaphan Soong District, ThailandHQ recorded Nov 6, 202651-200140 contacts →

Exact match

“Wellington College International School Bangkok, the first Wellington College established in ASEAN, follows the standards set forth by the founding school, Wellington College in…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchBang Phongphang, ThailandHQ recorded Nov 6, 202651-200130 contacts →

Exact match

“King’s College International School Bangkok is a King’s College School, Wimbledon International School.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact 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
17Exact matchNonthaburi, ThailandHQ recorded Nov 6, 202651-200124 contacts →

Exact match

“DBS Denla British School is a legacy of Denla Group, which has over 46 years of education expertise.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBangkok, ThailandHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“Brighton College was recently named as England's Independent School of the Decade by The Sunday Times, for achieving the very best academic results and a stellar record of entry…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKlong Toey, ThailandHQ recorded Nov 6, 202651-20099 contacts →

Exact match

“At the Australian International School Bangkok we aim to develop an enriching learning environment for all students, where all members of the school community are valued for their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAmphur Sarapee, ThailandHQ recorded Nov 6, 2026201-50098 contacts →

Exact match

“Unity Concord International School (UCIS) was opened in 2017 by Amporn and Chugait Garmolgomut.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact 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
22Exact matchMin Buri District, ThailandHQ recorded Nov 6, 202651-20092 contacts →

Exact match

“Bromsgrove International School Thailand (BIST) provides an outstanding boarding and day school education for students aged 2-18 years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact 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
24Exact 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
25Exact matchChiang Mai, ThailandHQ recorded Nov 6, 202651-20081 contacts →

Exact match

“Lanna International School Thailand: The British International School in Chiang Mai -"A Great Place to Meet the World." Lanna International School serves the Chiang Mai community…”

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

Showing 25 of 157 private international schools based in Thailand

See the full list, filter by size, metro and specialty, and access 1,933 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Private international schools based in Thailand at a glance

As of Nov 6, 2026
23.8%Verified-email coverage
51.7Average contacts per company
51-200Median size (employees)
29.3%Largest-city concentration · Bangkok
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
16
11-50
26
51-200
77
201-500
25
501-1,000
9
1,001-5,000
1

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 157 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 “private international 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. 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 1,933 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.

Private international schools by metro

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

How many private international schools are there based in Thailand?

RevenueBase identified 157 company matches for private international schools 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?

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

Which city has the most private international schools?

Bangkok leads with 46 company records, followed by Bangkok City (12) and Chiang Mai (11).

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 1,933 professional contacts with verified work emails tracked across these 157 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 157 private international schools based in Thailand. Start with a free account, no credit card.

Download this list →

Related lists

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.