SIAM International School
โรงเรียนนานาชาติสยาม
Bueng Yitho, Thanyaburi, Pathum Thani
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- Curriculum
- British (IGCSE, Pearson Edexcel International A Level)
About this school
SIAM International School is a day and boarding school on Rangsit-Nakhon Nayok Road in Pathum Thani, north of Bangkok. In 2026 it announced a new leadership team, with Jan Botha as principal and Sukanya Wattanavichian as director, and a reorganisation of its departments.
The school takes children from age 2 to 18:
- Nursery, ages 2 to 5
- Kindergarten, ages 5 to 6
- Primary, ages 6 to 11, focusing on English, maths and science
- Lower Secondary, ages 11 to 14, preparing for IGCSE
- IGCSE and A Levels, ages 15 to 18
Senior students sit Pearson Edexcel International A Levels; the school reported a 95% pass rate in June 2026, with strengths in chemistry, mathematics, further mathematics and physics. Five study pathways are offered: standard academic, STEM and medicine, business and entrepreneurship, creative arts and design, and languages and humanities. Activities include robotics, music, football, golf and dance, and a new boarding programme is being introduced for Thai and international students.
