International School Bangkok
American / US curriculum, AP, IB Diploma, High School Diploma
International School Bangkok is a major American-style international school located in the Nichada Thani area of Nonthaburi. Offers a US-style pathway with AP, IB Diploma, and high school diploma options. Large, well-resourced campus with strong academics, activities, athletics, and support services. Especially suitable for families in northern Bangkok or Nonthaburi, or those wanting an American curriculum environment.
Overview
- Age range: 3–18
- Grades: Pre-K to Grade 12
- Fees: ฿659k – ฿1197k
- Application fee: THB 4,700
- Capital / enrolment fee: Registration fee THB 260,000; annual fee THB 22,000
- Class size: Student-teacher ratio listed as 9:1
- Admissions difficulty: Highly selective
- Availability: Contact admissions
Language & learning support
EAL / English support: Formal EAL support with beginner, intermediate, and advanced pathways; availability differs by division.
SEN / learning support: Formal student support for mild to moderate learning needs. Official admissions guidance notes availability is limited and some combinations of EAL and learning support may not be supportable.
Languages offered: English, Thai and world language options — verify with admissions
Facilities
Admissions
Application deadline: Not publicly listed
Open day: Campus visits / admissions enquiries available through the school
Best fit for
- Families wanting an American curriculum with AP and IB Diploma options
- Students aiming for US or international university pathways
- Families living in Nichada Thani, Nonthaburi, Chaeng Watthana, or northern Bangkok
Possible concerns
- Commute may be difficult from central or southern Bangkok
- Selective admissions, especially where EAL or learning support is required
- High fees and additional annual fees should be planned for
Questions parents should ask
- What EAL levels are accepted in my child's grade?
- Can the school support both EAL and learning support needs at the same time?
- What are the differences between AP, IB Diploma, and the regular high school diploma pathway?
- What is the current availability in my child's grade level?
- How long is the commute from central Bangkok during morning traffic?
- What additional fees apply beyond tuition and registration?
- What support is available for university applications?
