Bangkok has one of the deepest international school markets in Southeast Asia, with more than 100 active campuses serving expats from across the region. Headline tuition tells only part of the story: enrolment fees, ESL support, lunch contracts, school transport across heavy traffic and external exam fees can comfortably add 15-25 per cent to the published number. This 2026 cost guide breaks down what families relocating to Bangkok should actually expect to pay, and how to compare offers fairly.
Tuition: what the headline price actually buys
Most international schools in Bangkok publish tuition by year group. Realistic 2026 day-school ranges per academic year are:
Early Years (Pre-Nursery to Reception, ages 2-5): around THB 350,000 to THB 700,000. Primary (Years 1-6 / Grades 1-5): around THB 500,000 to THB 900,000. Middle school (Years 7-9 / Grades 6-8): around THB 650,000 to THB 1,000,000. Senior school and IB Diploma / IGCSE / A Level / AP (Years 10-13 / Grades 9-12): around THB 800,000 to THB 1,200,000, with the very top schools reaching THB 1,300,000.
Compared with Singapore or Hong Kong, Bangkok is meaningfully cheaper. Compared with Kuala Lumpur, fees are similar at the top end and slightly higher in the mid market.
Enrolment, registration and capital fees
Almost every Bangkok international school charges a non-refundable application fee of THB 5,000 to THB 15,000 per child, plus an enrolment fee or capital contribution at offer acceptance. Capital fees in Bangkok can be substantial: the most established schools charge THB 250,000 to THB 700,000 as a one-time levy at first enrolment, sometimes amortised over the time the child stays. A refundable security deposit of one term's tuition is also common.
If you are negotiating a corporate relocation package, ask explicitly whether capital fees are included in the company's school allowance — they often slip through the net.
Hidden costs that move the budget
Lunch is rarely included. Catered lunches in Bangkok international schools cost THB 25,000 to THB 50,000 per child per year for the standard contract. School bus runs THB 70,000 to THB 130,000 per year depending on distance — a meaningful number when traffic across Sukhumvit and Sathorn means buses are on the road for an hour each way. Uniform and PE kit add THB 5,000 to THB 12,000 in the first year.
External exam fees for IGCSE, A Level, IB Diploma or AP papers are typically THB 3,500 to THB 6,500 per subject. Across nine to eleven IGCSEs and three to four A Levels or six IB subjects this can add THB 60,000-THB 100,000 over the course of the senior years. Music tuition, sports academies and supplementary tutoring are paid extra by the family.
Top international schools in Bangkok with verified profiles
Bangkok families relocating in 2026 most often shortlist established English-medium schools: International School Bangkok (ISB) for the American/IB pathway in Nonthaburi, NIST International School for the IB Continuum in central Bangkok, St. Andrews International School for British curriculum and IB Diploma, Bangkok Prep for the British curriculum at two campuses on Sukhumvit, and Brighton College International School Bangkok for the British curriculum on the Krungthep Kreetha campus.
Tax, scholarships and discounts
Thailand offers no general tax deduction on private school fees for foreign residents. Most Bangkok international schools offer sibling discounts of 5-15 per cent on the second and subsequent children. A handful of schools offer means-tested support and a small number of academic scholarships at IB Diploma entry, but the volume is modest compared with the UK or US. Corporate education allowances are common for senior expat hires; negotiate enrolment and capital fees as a separate line item in any package.
Practical tips for budgeting
When you compare offers from different schools, normalise on a "total annual cost" line that includes tuition, capital amortisation, lunch, bus, uniform, exams and trips. Two schools quoting THB 700,000 and THB 850,000 can end up within THB 50,000 of each other once everything is included. Plan for a 4-7 per cent annual fee increase when projecting a multi-year stay in Bangkok.
Compare top international schools in Bangkok
Use the International School Advisor ranking of the best schools in Bangkok to filter by curriculum, neighbourhood and age range, and to read parent reviews before booking visits.
Frequently asked questions
How much does an international school in Bangkok cost in 2026?
Plan for THB 350,000 to THB 700,000 per year in Early Years, THB 500,000 to THB 900,000 in Primary and THB 800,000 to THB 1,200,000 in Senior school, with the IB Diploma at the upper end. Capital fees, lunch, bus and exams are extra.
Are scholarships available at international schools in Bangkok?
Limited. A small number of schools offer academic scholarships at IB Diploma entry and means-tested support. Sibling discounts of 5-15 per cent on second and subsequent children are widely available.
What capital fees should I expect in Bangkok?
Established Bangkok international schools typically charge a one-time capital contribution of THB 250,000 to THB 700,000 at first enrolment, sometimes amortised over the years a child attends the school. A refundable security deposit of one term's tuition is also common.