Nichada Thani, Pak Kret · American + IB
| Address | 39/7 Soi Nichada Thani, Samakee Road, Amphur Pak Kret, Nonthaburi 11120 |
| Curriculum | American curriculum with an IB Diploma Programme option in the senior years |
| Age range | PK–12 (Pre-Kindergarten through Grade 12) |
| Founded | 1951 |
| Tuition (2026 planning range) | Roughly THB 640,000/year at Pre-Kindergarten rising to roughly THB 1,162,000/year at High School (2026 planning figures) -- plus separate one-time application, assessment and registration fees typically in the THB 150,000-260,000 range, and additional costs for uniforms, transport, meals and activities |
| Phone | See the school's official contact page for current admissions and departmental phone lines |
| Official website | www.isb.ac.th |
International School Bangkok, founded in 1951 on the grounds of the US Embassy, is Thailand's oldest international school and one of the most established American-curriculum schools in the region. It relocated in 1992 to its current purpose-built campus inside the Nichada Thani residential estate in Pak Kret, Nonthaburi, where it remains today. ISB runs a PK-12 American curriculum with an IB Diploma Programme option in the senior years, and has built one of Greater Bangkok's largest, longest-settled expat communities directly around the school itself -- many Nichada Thani families chose the estate specifically for its proximity to campus. BAANLYY is not affiliated with International School Bangkok and takes no paid placement in this guide; confirm all figures directly with the school, particularly current tuition, as fees are reviewed annually.
ISB's location inside Nichada Thani means a large share of its student body lives within walking or short-shuttle distance of campus, giving the school an unusually tight-knit, long-settled expat community compared with schools that draw commuting families from across the city. Families relocating specifically for ISB commonly look at housing inside or immediately around Nichada Thani for the shortest possible school run.
Inside the Nichada Thani residential estate in Pak Kret, Nonthaburi, at 39/7 Soi Nichada Thani, Samakee Road.
An American curriculum from Pre-Kindergarten through Grade 12, with an IB Diploma Programme option available in the senior years.
As a 2026 planning range, roughly THB 640,000/year at Pre-Kindergarten rising to roughly THB 1,162,000/year at High School, plus separate one-time application, assessment and registration fees and additional costs for uniforms, transport, meals and activities -- confirm current tuition directly with the school.
School facts are drawn from the school's own official website plus independent cross-checks. BAANLYY is a data-and-tools platform, not a school, agent or admissions consultant; never takes paid placement in this content, and does not guarantee current tuition, admissions or accreditation status — always confirm directly with the school before relying on any figure here.
Read the full Nonthaburi international schools guide for how International School Bangkok (ISB) compares with the area's other schools.