Edited by Aziza Francienne · B2C Marketing Manager
If you're researching international schools in Koh samui, Thailand offering British 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 British Curriculum, taught by 3 of the schools below. Annual tuition spans roughly 115,000–618,585 THB, with the average sitting around 307,796. Schools range from new openings to long-established names like Oonrak Koh Samui School (opened 2005).
Compare 4 British Curriculum international schools in Koh samui, Thailand. Filter by curriculum, fees (average THB 307,796), location, and more to find the right international school now.
Read our parent's guide to the British Curriculum →
Oonrak Koh Samui School, established in 2005, offers bilingual education for children aged approximately 3 to 12. Half the timetable is delivered in English (covering English language, mathematics, science, physical education, and swimming), while the other half is in Thai (covering Thai language, mathematics, science, computing, art, and social studies), blending the Thai National, British National, and Cambridge International curricula. Located on Koh Samui’s north shore, the campus features a full‑sized covered swimming pool, running track, covered football pitch, science laboratories, a 30‑station computer suite, library, art room, dance studio, music room, meditation room, and colourful playgrounds set in tropical gardens. The school offers a limited school bus service and welcomes both boys and girls, with the aim of helping students grow in both languages, academic skills, and personal development.
Greenacre International School is situated in the Na Mueang area on southern Koh Samui, Thailand, surrounded by lush greenery and close to waterfalls. The school welcomes children from age 3 through to 16 and offers education following the English National Curriculum, including IGCSEs as a certified Pearson Edexcel Examinations Centre. It operates as a co‑educational day school and provides a transport service collecting students from Big C Chaweng and en route locations. Built on a 7.5‑rai natural campus with outdoor classrooms and gardens, the school integrates environmental awareness into its teaching, aiming to foster sustainability and compassion through learning in nature. Typical class sizes are described as average, and students benefit from facilities such as a library, ICT room, science lab, and swimming pool. Clubs include chess, art, an environmental group, and creative Thai, supporting intellectual, creative, social, and service interests
The International School of Samui (ISS), founded in 2007, educates students aged 3 to 18 years old using the British National Curriculum with Cambridge IGCSE and A Level qualifications. Located in Bophut between Chaweng and Bophut on Koh Samui, near Bandon Hospital and the Big C shopping centre, it serves a diverse student body of around 300 pupils from 35+ countries. The sole language of instruction is English, with Thai, Mandarin, and Spanish offered as subjects. Facilities include science labs, a computing classroom equipped with 3D printers and Lego Robotics, a sports hall, and a swimming pool, supporting strong STEM and sports programmes. Unique offerings such as the Duke of Edinburgh Awards scheme, Marine Conservation Programme, and school organic farm give students experiential learning and leadership opportunities.
PBISS International School on Koh Samui began in 2005 and teaches students aged 2 to 18, following the Cambridge International Standards blended with a STEM+ approach, meaning science, technology, engineering, and math are built into every stage. The campus hosts a STEM+ Innovation Centre, a hub where students work on hands-on projects like 3D printing, laser cutting, and vinyl crafting, and even participate in events like the Theme Park Challenge alongside a STEM Expo. In the youngest years, children engage in activities such as robotics, hydroponic gardening, and even a STEM Farm, alongside learning with tools like balance bikes and Lego tables. Secondary learners move into Cambridge IGCSE and A-Level courses under a “Learning to Mastery” philosophy that emphasises thinking and creation, not mere memorisation. Located in Chaweng Noi on Koh Samui, the school brings together international education and a distinctively hands-on, STEM-infused learning experience.
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