Schools/Thailand/Bangkok/Siam International School
Thailand — Pathumthani

Siam International School

55/5 Moo 1, Klong 3, Rangsit-Nakhonnayok Road, T.Bungyeetho, Thanyaburi Pathumthani, Bangkok, 12130, Thailand
Data verified from public sources
Annual FeesContact school
Ages4 – 19

Siam International School is an international school in Bangkok, Thailand. It serves 250 students for students aged 4–19.

Location & Getting There

55/5 Moo 1, Klong 3, Rangsit-Nakhonnayok Road, T.Bungyeetho, Thanyaburi Pathumthani, Bangkok, 12130, ThailandOpen in Maps
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NanaSays Scorecard

250
Students Enrolled
Boarding Available

Academic Performance

10% 9–4
GCSE Results

Key facts

Ages
4–19 (Co-ed)
Pupils on roll
250

About

Siam International School is a co-educational day school located in Pathumthani, Bangkok, Thailand. It serves students aged 4 to 19 with a current enrollment of approximately 250 pupils.

School data verified by NanaSays. Last updated: April 2026.

Student Demographics

School Type
Co-educational
Age Range
4 – 19

Frequently Asked Questions

Contact the admissions office at Siam International School directly for current fee information.