Montessori Curriculum International Schools in Thailand

Last updated 20 July 2026

About international schools in Thailand

If you're researching international schools in Thailand offering Montessori Curriculum, this page lists every school we know of and lets you sort, filter and compare them — without school marketing in the way. The most common curriculum is Montessori Curriculum, taught by 7 of the schools below. Annual tuition spans roughly 70,000–572,084 THB, with the average sitting around 258,071. Schools range from new openings to long-established names like Ascot International School (opened 1995).

Compare 7 Montessori Curriculum international schools in Thailand. Filter by curriculum, fees (average THB 258,071), location, and more to find the right international school now.

At a glance 7 schools · avg fee THB 258,071

Schools listed: 7
Curricula: 9
Average annual fee: THB 258,071
Fee range: THB 70,000 – 572,084
Most common curriculum: Montessori Curriculum (7 schools)
Average school size: 517 pupils
Largest by enrolment: Lamai International School
Oldest: Ascot International School (1995)

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2 international schools in Phuket

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Montessori House Phuket International School

Montessori Curriculum · Ages 2 to 18

THB 241,000 - 305,700

Ages 2 to 18 years

Montessori Curriculum

Instructs in English

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Front view of the Lighthouse Primary School campus building

Lighthouse International School Phuket – Primary School campus

Canadian Curriculum, Montessori Curriculum · Ages 5 to 11

THB 252,000 - 270,000

Ages 5 to 11 years

Canadian Curriculum, Montessori Curriculum

Instructs in English

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2 international schools in Bangkok

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Students performing traditional songs and dances for Chinese New Year.

Ascot International School

IB (PYP), IB (MYP) · Ages 1 to 17

THB 263,285 - 572,084

Ages 1 to 17 years

IB (PYP), IB (MYP), IB (DP), Cambridge IGCSE, Montessori Curriculum

Instructs in English

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John Wyatt Montessori - Bangkok Campus

Montessori Curriculum · Ages 1 to 18

Fees not listed

Ages 1 to 18 years

Montessori Curriculum

Instructs in English and Thai

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1 international school in Surat Thani

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Children adding details to a marine mural using plastic caps.

Lamai International School

Cambridge (Primary), Cambridge (Secondary) · Ages 3 to 13

THB 135,000 - 180,000

Ages 3 to 13 years

Cambridge (Primary), Cambridge (Secondary), EYFS (Early years foundation stage), Montessori Curriculum

Instructs in English

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1 international school in Chiang Mai

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A day of fun, competition, and school spirit at CMMIS Sports Day.

Chiang Mai Montessori International School

Montessori Curriculum · Ages 0 to 16

THB 300,368 - 407,412

Ages 0 to 16 years

Montessori Curriculum

Instructs in English

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1 international school in Saraburi

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John Wyatt Montessori - Saraburi Campus

Montessori Curriculum · Ages 1.5 to 18

THB 70,000 - 100,000

Ages 1½ to 18 years

Montessori Curriculum

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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