International School Bangkok (ISB) vs NIST International School
Side by side from CredRadar's verified dataset — every fee carries its source label. Last verified 2026-10-06.
Photo: Google MapsInternational School Bangkok (ISB)
Nonthaburi, Pak Kret (Nichada Thani) · Nonthaburi
Photo: Google MapsNIST International School
Watthana (Sukhumvit 15) · Bangkok
In short
How they differ
- On published fees, NIST International School is the less expensive of the two: its range (฿650,200 – ฿1,132,800 / year) sits against ฿659,000 – ฿1,197,000 / year at International School Bangkok (ISB) — a gap of ฿64,200 at the top of the range and ฿8,800 at entry level.
- Curriculum: International School Bangkok (ISB) lists American + IB DP + AP; NIST International School lists IB PYP/MYP/DP — first full IB school in Thailand. That difference — not the brand name — is what most affects transferability to your next school or university system.
- They are not in the same place: International School Bangkok (ISB) is in Nonthaburi, NIST International School in Bangkok — for most families that settles the commute question before fees do. Check both in the commute finder.
| International School Bangkok (ISB) | NIST International School | |
|---|---|---|
| Location | Nonthaburi, Pak Kret (Nichada Thani) · Nonthaburi · Bangkok Metropolitan | Watthana (Sukhumvit 15) · Bangkok · Bangkok Metropolitan |
| Founded | 1951 | — |
| Grades / ages | 3–18 | 3–18, K–G12 |
| Curriculum | American + IB DP + AP | IB PYP/MYP/DP — first full IB school in Thailand |
| Accreditation / notes | WASC context | IB World School |
| Annual tuition | ฿659,000 – ฿1,197,000 / year [O] Official fees Full fees breakdown | ฿650,200 – ฿1,132,800 / year [O] Official fees Full fees breakdown |
| Est. 13 years | ฿8,567,000 – ฿15,561,000 at today's fees, before annual increases | ฿8,452,600 – ฿14,726,400 at today's fees, before annual increases |
| Boarding | No | No |
| Nearest rail station | Nonthaburi Civic Center (MRT Purple) · 3.8 km straight-line | Phetchaburi (MRT Blue) · 0.5 km straight-line |
| Google rating | No live Google rating (Google removed K-12 reviews in Apr 2025) | No live Google rating (Google removed K-12 reviews in Apr 2025) |
| School website | Visit website → | Visit website → |
Fees are the published annual ranges in our dataset (checked 2026-10-06); one-off enrolment charges, deposits and transport are additional — each school's fees page shows the published wording in full. Enrolment/student numbers are not shown because neither school publishes a figure we could verify in this pass.
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