International Schools in Koh Samui, Thailand

Last updated 20 July 2026

About international schools in Koh Samui, Thailand

Koh Samui offers a handful of international schools serving the island's growing expat community of families drawn by the tropical lifestyle, beaches, and a slower pace. Schools here tend to be smaller and more community-oriented, with a focus on outdoor learning that takes advantage of the island setting.

Compare 7 international schools in Koh Samui, Thailand. Filter by curriculum, fees (average THB 231,919), location, and more to find the right international school now.

At a glance 7 schools · avg fee THB 231,919

Schools listed: 7
Curricula: 11
Average annual fee: THB 231,919
Fee range: THB -1 – 618,585
Most common curriculum: British Curriculum (4 schools)
Average school size: 406 pupils
Largest by enrolment: PBISS International School
Oldest: Oonrak Koh Samui School (2005)

View by curriculum (2)

British (5) French (2)

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Oonrak Koh Samui School

British Curriculum, Cambridge (Primary) · Ages 3 to 12

THB 115,000 - 130,000

Ages 3 to 12 years

British Curriculum, Cambridge (Primary), Thai Curriculum

Instructs in English and Thai

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Windfield International School - Koh Samui

British Curriculum, Cambridge (Primary) · Ages 2 to 18

THB 210,690 - 303,800

Ages 2 to 18 years

British Curriculum, Cambridge (Primary), Cambridge IGCSE, Cambridge International AS Levels, Cambridge A Levels, French Curriculum

Instructs in English and French

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Tree Yard International Center

-THB 1

Ages not listed

Curriculum not listed

Language not listed

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IFDS - Ecole Française de Koh Samui

French Curriculum

THB 100,000 - 170,000

Ages not listed

French Curriculum

Instructs in French

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International School of Samui

British Curriculum, BTEC Qualification · Ages 3 to 18

THB 434,526 - 618,585

Ages 3 to 18 years

British Curriculum, BTEC Qualification, Cambridge IGCSE, Cambridge A Levels

Instructs in English

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Greenacre International School

British Curriculum, EYFS (Early years foundation stage) · Ages 3 to 16

THB 189,000 - 282,000

Ages 3 to 16 years

British Curriculum, EYFS (Early years foundation stage), Pearson Edexcel IGCSE

Instructs in English

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STEM Innovation Centre building exterior.

PBISS International School

Cambridge (Primary), Cambridge (Secondary) · Ages 2 to 18

THB 244,030 - 449,230

Ages 2 to 18 years

Cambridge (Primary), Cambridge (Secondary), Cambridge IGCSE, Cambridge A Levels, EYFS (Early years foundation stage)

Instructs in English

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FAQs for Thailand

Are most Thai international schools in Bangkok?

Yes, but Chiang Mai, Phuket, and Pattaya also have notable options.

Do schools follow the Thai school year?

Most follow international calendars, but some adopt modified local schedules.

How many international schools are in Thailand?

Thailand has over 200 international schools, with the highest concentration in Bangkok, followed by Chiang Mai, Phuket, and Pattaya.

What is the average cost of international schools in Thailand?

Tuition fees typically range from THB 300,000 to THB 900,000 per year, depending on the school’s location, facilities, and curriculum.

Which curriculum is most popular in Thailand’s international schools?

British and IB programmes are the most common, but you’ll also find American, Australian, and bilingual Thai-English options.

Do Thailand’s international schools accept non-Thai speaking students?

Yes. English is the primary language of instruction at most schools, with language support available for non-native speakers.

Are boarding facilities available in Thailand?

A small number of schools offer boarding, particularly in Chiang Mai and some coastal areas like Phuket.

When should I apply to an international school in Thailand?

Many schools have rolling admissions, but for popular year groups, early application (6–12 months ahead) is recommended.

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