How much is annual tuition for a child aged 3–4 at International School Bangkok (ISB)?

681,010 THB per year (945,710 THB in the first year, including one-time fees).

How much is annual tuition for a child aged 15–18 at International School Bangkok (ISB)?

1,219,010 THB per year (1,483,710 THB in the first year, including one-time fees).

International School Bangkok (ISB)

Pak Kret, Nonthaburi · Ages 3–18 (Kindergarten–Sixth Form)

Dating to 1951 in Nonthaburi's Pak Kret district, this American curriculum school combined with IB and AP is among Thailand's oldest international schools, enrolling about 1,700 students from over 60 nationalities with a 2025 IB Diploma average of 34 points.

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Cost per year

681,010 THBFollowing years

First year: 945,710 THB

Ages 3–4

First year945,710 THB

Following years681,010 THB

Ages 5–11

First year1,301,710 THB

Following years1,037,010 THB

Ages 12–14

First year1,423,710 THB

Following years1,159,010 THB

Ages 15–18

First year1,483,710 THB

Following years1,219,010 THB

Ages	First year	Following years
Ages 3–4	945,710 THB	681,010 THB
Ages 5–11	1,301,710 THB	1,037,010 THB
Ages 12–14	1,423,710 THB	1,159,010 THB
Ages 15–18	1,483,710 THB	1,219,010 THB

First year includes one-time fees such as registration and deposit

Additional fees that may apply

These are not included in the figures above. They are charged only in certain cases — not to every family — so read the note on each line to see when it applies.

Life Centered Education · Ages 5–18980,000 THB per year
Additional fee for the Life Centered Education program (for learners requiring specialized learning support)

Location

Pak Kret, Nonthaburi · Open in Google Maps

Basic information

Curriculum	American, AP, IB
Language of instruction	English
Class size	20 (max 22)
Nationalities	60
Founded	1951
Accreditation	CIS, EARCOS, IASAS, IB World School, WASC
Student count	1700
Organisation type	Not-for-profit
Website	https://www.isb.ac.th

Admissions

Intake	Applications open	Deadline	Status
Rolling	—	Rolling	Waitlist — Admits year-round via the OpenApply system; qualified applicants for whom no place is available are placed in a waitpool by grade level.

Daily life

Uniform	Yes
School lunch	Yes
After-school care	No
School bus	Yes
Boarding	No

Academics

Leaving qualifications: Advanced Placement (AP), IB Diploma

Facilities

Cafeteria · Fitness centre · Library · Robotics lab · Tennis court · Athletics track

Support services

Counselling · English as an additional language (EAL) support · Learning support

Source: isb.ac.th

Last updated: 2026-07-07

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