Edited by Aziza Francienne · B2C Marketing Manager
Thailand has one of Southeast Asia's most developed international school markets, with Bangkok at its centre but strong options in Phuket, Chiang Mai, and Pattaya. The country attracts families with its affordable cost of living, warm climate, excellent food, and a relaxed lifestyle that makes raising children enjoyable. International school fees are competitive compared to Singapore or Hong Kong, and the range of curricula available — from British and American to IB and bilingual — means families have genuine choice at every price point.
Compare 6 international schools in Thailand. Filter by curriculum, fees (average THB 258,071), location, and more to find the right international school now.
Chiang Mai Montessori International School (CMMIS), founded in 2010, offers a full Montessori program for children from birth to 16 years. Located in Hang Dong, south of Chiang Mai city, the campus combines bright, open classrooms with natural spaces such as an organic kitchen garden, the “WOWS!” nature learning centre, and a FIFA‑approved football field. English is the primary language of instruction, with Thai and optional Chinese classes. Learning occurs in mixed‑age environments: 0–3 years in the Toddler Community, 3–6 years in Children’s House, 6–12 years in Elementary, and 12–16 years in Middle School, with class sizes ranging from 12 to 35 students. The school follows AMI‑certified Montessori methods. Families value its nature‑based learning, dedicated football academy, and the hands‑on Montessori approach.
Ascot International School, located in Bangkok’s Saphan Sung district, offers an International Baccalaureate (IB) education from Early Years to Diploma Programme. Founded in 1995, it caters to students aged 2–18 and delivers the IB Primary Years Programme (PYP) and Diploma Programme (DP), with the Middle Years Programme (MYP) in candidacy. Students in Years 10–11 also complete IGCSE qualifications. Instruction is in English, with Thai, Mandarin, and other world languages taught as additional subjects. Ascot’s standout feature is its integrated Football Academy, operated in partnership with Thai Premier League coaches, and housed in a covered futsal stadium. The school supports science and ICT learning through dedicated labs and computer suites, and encourages creativity with visual and performing arts spaces. Its small size - around 500 pupils - supports close community ties. Parents overseas will find a structured curriculum with internationally recognized assessments and a focus on developing multilingual, confident learners.
Lamai International School, located in the Maret sub-district of Koh Samui, opened in January 2016. It welcomes children from age 3 through early secondary years in a co-educational setting, with class sizes capped at twenty students. The youngest learners follow the Early Years Foundation Stage through a Montessori approach, while older students progress into the Cambridge Primary and Lower Secondary curriculum. All instruction is in English, and the program is complemented by the school’s Education for Sustainable Development initiative, which integrates the United Nations Sustainable Development Goals into daily learning. The school day runs from 08:35 to 16:00, including a lunch break and optional extracurricular activities in the afternoon. Transportation is available, and students receive a morning snack and lunch each day. The school is particularly noted for its focus on sustainability, small class sizes for close teacher support, and its integration of academic subjects with creative and environmental learning.
John Wyatt Montessori – Saraburi Campus is a co-educational day school offering Montessori education from toddler through high school levels. The curriculum is aligned with standards from AMI and NAMTA, covering academic, practical life, and adolescent farm-based learning. Students learn in mixed-age classrooms with emphasis on independence and hands-on activity. Facilities include indoor Montessori spaces, outdoor classrooms, a working farm, and activity areas for gardening and physical education. Thai is offered as part of the programme, with other languages added based on staff availability.
Lighthouse International School Phuket’s Primary School campus in Rawai offers education for children aged 5 to 12 (Grades 1–6). It follows the Canadian Alberta curriculum, featuring native English-speaking teachers and Canadian-style assessments. Younger grades experience a Montessori-inspired approach with practical, project-based learning. Students take part in marine biology excursions, engaging directly with Phuket’s coastal environment. Class sizes average about 10 students, allowing personalized attention. Subject lessons include English, Thai, and French. The campus is situated in a residential, coastal neighbourhood off Wiset Road, close to beaches and local amenities. A distinctive feature is the school’s hands-on marine science programme, where children explore the natural surroundings through outdoor learning, an opportunity grounded in Phuket’s island context.
Montessori House Phuket International School is located in Chalong, Phuket, Thailand, and offers a full Montessori curriculum for children aged 2 to 18. It is the only licensed Montessori school on the island. The school provides programs from Toddler and Children’s House through Elementary and Secondary levels, with the Secondary program launched in 2021. Class sizes are small, with an average of 15 students and two teachers per class. Instruction is in English, with Thai language taught as a subject. The campus features natural, outdoor learning spaces and a project-based secondary program in partnership with Bridgemont Online.
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Phuket is known for its beaches and tourism, but it’s also home to a growing international school scene that appeals to expat families looking for an alternative to Bangkok.
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