· updated monthly
The five schools Bangkok parents researched most this year, chosen from the 108 international schools in the city. Ranked by how many families opened each school’s profile and spent time reading it between July 2025 and June 2026, then the full picture on curricula, class sizes and fees.
The 2026 ranking
Ranked purely by parent interest — the number of families who opened each school’s profile and spent time reading it between July 2025 and June 2026.
Dulwich College International School Bangkok, opening in August 2026, is part of the Dulwich College International network. Located in the Bang Na district of Bangkok, the school will offer a British curriculum for students aged 3 to 18 years. The campus is designed with sustainability in mind, aiming for LEED Gold certification, and includes facilities such as a sports centre, aquatic centre, and landscaped outdoor learning areas. The SE21 programme integrates STEM education, promoting innovation and critical thinking. With a focus on academic excellence and holistic development, Dulwich College Bangkok aims to provide a nurturing environment for students to thrive.
St. Andrew's International School Bangkok’s High School campus opened in August 2017 in central Bangkok, at 1020 Sukhumvit Road, close to Ekkamai BTS station and a shopping mall. Students aged 11 to 18 follow the English National Curriculum, taking IGCSEs before progressing to either the full IB Diploma or the IB Career‑Related Programme, with BTEC options also available. Class sizes average 16 students, with about 1,100+ learners currently enrolled on-site. English is the language of instruction, complemented by courses in Thai, French, Spanish, German, Korean, Mandarin, and Japanese, including support for first-language learners. Unique offerings include a STEAM curriculum featuring VEX Robotics with MIT collaborations, a Performing Arts programme tied to Juilliard, and a broad range of IGCSE and IB subject choices. A co-ed day school, bus services are provided, but boarding is not offered.
Pan‑Asia International School (PAIS), founded in 2004, serves students aged 2–18 in Bangkok’s Prawet district. It follows an American curriculum up to Grade 5, transitioning into the IB Middle Years Programme for Grades 6–10 and the IB Diploma Programme for Grades 11–12. The campus is located in a suburban green zone about 200 m off a major road, and includes science and IT labs, an auditorium, swimming pools, and sports fields. Languages taught include English, Thai, Chinese, and Arabic. After‑school clubs offer sports, music, arts & crafts, mental maths, and homework support. A signature feature is the use of international standards: Common Core and Next Generation Science Standards, alongside the IB framework, supported by facilities like a Mac lab and makerspace. Accredited by WASC and Thailand’s Ministry of Education, PAIS hosts around 470 students representing over 40 nationalities.
Sarasas Ektra School, founded in 1995 in Bangkok’s Bang Phongphang district, is Thailand’s first fully bilingual (Thai‑English) private day school. It welcomes children from nursery to year 12, with bilingual instruction across all levels. From Primary, English covers approximately 30–70% of lessons, supported by Chinese and Japanese language classes. In upper secondary, students can follow the school-designed Extra Class program or the externally accredited Global Assessment Certificate (GAC), preparing them for international university entry. The school hosts events such as annual Science Day for project exhibitions, Music Works festivals, and traditional celebrations, supporting both academic and creative growth . Known for small GAC classes that build independent learning and research skills, Sarasas Ektra also emphasizes IT-integrated, child-centered teaching.
NIST International School in Bangkok is a not-for-profit IB World School offering the full International Baccalaureate curriculum (PYP, MYP, DP) from ages 3 to 18. Founded in 1992 with support from the United Nations, NIST serves over 1,800 students from 50+ nationalities. In August 2025, NIST completed Phase 2 of its campus development. This expansion introduced a Pavilion Building featuring a Lecture Hall, meeting rooms, and The Lounge. It also added two Elementary Buildings that nearly double previous spaces. These specific additions include a two-level Elementary Library, a Learning Kitchen, a Science Lab, an Elementary Gymnasium, and three Makerspace areas. Link bridges now connect these new structures with the Innovation and Creative Arts Buildings to ensure accessible movement across the school. NIST is distinctly known for its Global Citizen Diploma, a signature initiative offered alongside the IB curriculum. As part of an eleven-school consortium, this programme allows secondary students to formally document their values, qualitative learning experiences, and community service beyond standard report cards.
What’s on offer
The mix of programmes and teaching languages across all 108 schools. Many offer more than one curriculum, so totals run higher than the school count.
Number of schools teaching each curriculum.
Number of schools teaching in each language.
Size & classes
School size and class size shape day-to-day experience as much as curriculum does.
Schools grouped by total enrolment.
Average school size is 756 students · based on the 96 schools that report enrolment.
Schools grouped by typical class size.
Average class size is 19.0 students · based on the 94 schools that report it.
What it costs
Fees shown are one year for a 12-year-old (or the closest age available), excluding one-time enrolment costs.
Across the 99 schools that publish a price for a 12-year-old. All figures in THB.
How many schools sit in each annual-fee range.
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