Australian International School Bangkok - Soi 31 is a Australian Curriculum / Cambridge Lower Secondary / Cambridge IGCSE / Cambridge International AS Levels / Cambridge A Levels school in Bangkok, Thailand. Founded in 2002. Annual tuition ranges from $11,010 to $14,560 USD.
Explore This School
Location & Getting There
NanaSays Scorecard
Key Details
Scholarships Available
No scholarships are publicly disclosed. Sibling discounts are available: THB 10,000 off the registration fee for the second child; 10% tuition discount for the second and third child; 15% for the fourth child.
Key facts
Fees & the true cost of attendance
Published fees
$ 11,010–$ 14,560 per year.
Budget beyond the sticker price. Assume the real annual spend is 5–15% higher than the headline fee. Hidden costs typically include: registration fee, acceptance deposit (usually one term's fees, refundable at the end of schooling), uniform + sports kit, trips and expeditions, individual music tuition, exam entry fees, travel to/from home.
Ask the Bursar for a sample "all-in" first-year invoice before committing.
About
Australian International School Bangkok's Soi 31 campus offers co-educational day schooling from Foundation to Year 12 in the Sukhumvit district of Bangkok, combining the Australian Curriculum in primary years with Cambridge IGCSE, AS, and A Levels in secondary. Established in 2002, the school serves over 800 students and is known for its STEAM-focused Innovation & Sports Centre, Eco-Schools sustainability programme, and specialist Chess Academy. Thai language is compulsory for all students, and additional language options include French, Mandarin, Japanese, and German.
School data verified by NanaSays. Last updated: April 2026.
Why Families Choose
AISB Soi 31 combines the Australian Curriculum with Cambridge pathways (IGCSE through A Levels) in central Bangkok. The campus houses the AISB Innovation & Sports Centre supporting integrated STEAM learning. Notable programmes include an Eco-Schools sustainability initiative and a specialist Chess Academy offering training and competitions. A supervised two-campus shuttle links Soi 31 and Soi 20, and a door-to-door bus service is available via Montri Transport.
Fees & Financials
| Grade / Year | Annual Fee |
|---|---|
| Year 1 | THB 440,000~$ 12,055 |
| Year 2 | THB 455,500~$ 12,479 |
| Year 3-4 | THB 474,500~$ 13,000 |
| Year 5-6 | THB 490,000~$ 13,425 |
| Year 7-8 | THB 500,000~$ 13,699 |
| Year 9-10 | THB 508,000~$ 13,918 |
| Foundation | THB 393,200~$ 10,773 |
| Year 11-12 | THB 520,000~$ 14,247 |
Conversions to USD use exchange rates as of April 2026.
Original currency: THB 393,200 - 520,000. Application fee: $112.
Admissions Process
- 1Initial inquiry and campus visit — families contact the school or visit the Soi 20 campus to tour and meet staff. 2. Application submission — complete application form with passport copies, previous school reports, and medical records; pay non-refundable application fee. 3. Assessment — an assessment may be required for certain year groups, incurring an additional fee. 4. Offer of placement — if a place is available, an offer is issued; parents pay the non-refundable registration fee (THB 90,000) to secure enrolment. 5. Enrolment and orientation — first term's tuition fees must be paid in full before the child begins; orientation details are then provided.
Admissions Details
School Day
The school day at Soi 31 begins at 07:30 for both Primary and Secondary students. Primary (Foundation to Year 6) finishes at 14:00; Secondary (Years 7–12) ends at 14:50. Breaks and lunchtime are built into the timetable. Early Years (Nursery to Pre-Kindergarten) are housed at the Soi 20 campus and follow shorter hours.
Student Life
Primary uniform items range from THB 350–600; Secondary uniform items range from THB 350–800; sports and swimwear are additional.
Meals are provided daily on campus. Annual meal fee is THB 25,340.
Facilities & Programmes
Wellbeing & Safety
Primary students receive explicit instruction in health literacy, emotional wellbeing, and protective behaviours through the Health program and monthly assemblies. Secondary embeds a scope-and-sequenced Positive Education curriculum daily, addressing bullying, resilience, goal setting, cyber safety, and positive psychology. The Soi 31 Secondary Highfield building includes a Nurses Room and a Student Counsellor's Room. Outdoor Education and service learning further develop empathy and leadership.
The school does not publicly disclose specific safeguarding or child protection policies on its website.