Here’s how much families can expect to pay at Thailand’s most expensive international schools in 2026
Thailand has no shortage of international schools, offering everything from British and American curricula to the International Baccalaureate (IB) programme.
While a higher tuition fee does not always determine the quality of education, some families still choose to invest in schools known for their extensive facilities, global learning opportunities, and premium educational experiences.
But which international schools in Thailand come with the highest price tags?
We have already rounded up the best international schools in Bangkok for families exploring their options, but this time, we’re taking a closer look at the most expensive ones.
Read on to discover the 10 most expensive international schools in Thailand for 2026 and how much they cost.
Note: These figures represent the starting/entry-level tuition fees for each school (typically the youngest age group, such as Nursery or Reception). Actual costs at senior levels (Grade 12 / Year 13) are usually significantly higher, and additional fees such as registration, deposits, and enrolment fees are not included.
10 Most Expensive International Schools in Thailand for 2026
1. SPGS International School Bangkok
Starting from B712,400 per year
A partner school of St Paul’s Girls’ School in London, this international school in Thailand brings the heritage of one of the UK’s leading independent schools to Thailand. Opening in August 2026, the school combines British academic traditions with a focus on intellectual development, pastoral care, and a well-rounded co-curricular experience.
2. Wycombe Abbey International School Bangkok
Starting from B701,800 per year
Taking over the former VERSO International School campus in Bangna, this international school in Thailand marks the arrival of one of the UK’s most prestigious boarding school names. Set on a 66-acre campus, the school offers the English National Curriculum with pathways to IGCSEs and A-Levels, alongside extensive academic, sports, arts, and boarding facilities.
3. Shrewsbury International School Bangkok Riverside
Starting from B691,800 per year
Set along the Chao Phraya River, this international school in Thailand offers a British curriculum from early years through to A Levels. Known for its spacious riverside campus, the school combines strong academics with extensive opportunities in sports, music, performing arts, innovation, and co-curricular activities. Compared to its city campus, the Riverside campus offers a more expansive and traditional school environment.
4. Shrewsbury International School Bangkok City Campus
Starting from B669,600 per year
Designed especially for early years and primary students, Shrewsbury International School Bangkok City Campus focuses on personalised learning. Catering to children aged 2 to 11, this international school in Thailand follows the English National Curriculum with low teacher-to-student ratios of up to 1:3 in Nursery, alongside facilities such as an indoor running track, climbing wall, splash pool, and creative learning spaces.
5. International School Bangkok (ISB)
Starting from B640,000 per year
One of Bangkok’s most iconic international schools, International School Bangkok (ISB) offers much more than just classrooms. This international school in Thaialnd delivers a complete campus experience with an American curriculum, AP and IB Diploma pathways. Its impressive facilities range from an Olympic-sized swimming pool and invention centre to a golf centre and its own Environmental Wilderness Campus for outdoor adventures. With a strong academic reputation and a long-standing international community, ISB continues to be one of Thailand’s most recognised international schools.
6. NIST International School
Starting from B628,200 per year
Located in the heart of Sukhumvit, NIST International School is one of the leading not-for-profit international schools in Thailand, offering the full IB pathway from early years through to the Diploma Programme. Despite its central location, the campus features extensive facilities including a black box theatre, makerspace, and sports areas, while fostering a diverse international community with a wide range of language programmes and student support.
7. Concordian International School Bangkok
Starting from B626,400 per year
One of the few trilingual international schools in Bangkok, Concordian International School offers a distinctive education through English, Chinese, and Thai language immersion. The school combines its multilingual approach with the full IB framework. It allows students to develop strong language skills alongside a globally recognised academic pathway. Located in Bang Na, the campus also supports a well-rounded experience with dedicated spaces for academics, sports, and performing arts.
8. King’s College International School Bangkok
Starting from B616,000 per year
A partner school of King’s College School, Wimbledon, this international school in Thailand follows the values and traditions of one of the UK’s leading independent schools. Centred around the concept of having a “Great Heart,” the school combines academic excellence with kindness, good manners, and responsibility.
9. Wellington College International School Bangkok
Starting from B615,250 per year
A sister school of Wellington College in the UK, this international school in Bangkok stands out with its spacious, collegiate-style campus in Saphan Sung and distinctive approach to British education. This international school in Thailand combines academic excellence with a focus on individual development, featuring Harkness rooms for discussion-based learning, extensive sports facilities, and dedicated spaces for performing arts and creativity.
10. Brighton College Bangkok
Starting from B590,300 per year
With its roots connected to Brighton College in the UK, Brighton College Bangkok reflects the school’s long-standing approach to education, where academic excellence goes hand in hand with creativity, curiosity, and personal development. Students are encouraged to explore their interests across sports, music, performing arts, and creative fields, supported by facilities including a 650-seat theatre, recording studio, swimming pools, and dedicated activity spaces.
Good news for families in Thailand! Bangkok Education & Lifestyle Fair debuts in Thailand this September
This is the first time the long-awaited fair is going to take place in Thailand! Location: Avani Ratchada Bangkok Hotel!
This is your chance to speak to some of the best international schools and businesses in Bangkok and Thailand. More juicy details on this to come soon. Consider your weekend plans sorted!
Mark it in your diaries: 19 September 2026, Saturday, 10AM to 5PM
Location: Avani Ratchada Bangkok Hotel
If you’re a school or family and lifestyle brand keen on joining our upcoming Bangkok Education & Lifestyle Fair, we welcome you to drop us a note at hello@bangkokbeat.co for more info on how you can join us.
Register here
Frequently Asked Questions
1. Why are some international schools in Bangkok so expensive?
Higher tuition fees often reflect factors such as purpose-built campuses, advanced facilities, smaller class sizes, international teachers, globally recognised curricula, and extensive programmes in sports, arts, technology, and student support.
2. Does a higher tuition fee mean a better international school?
Not always. While many high-fee schools offer extensive resources and facilities, the best international school depends on each child’s learning style, interests, curriculum preference, location, and family priorities.
3. Which curriculum do the most expensive international schools in Bangkok offer?
Many of Bangkok’s highest-priced international schools offer globally recognised curricula, including the British curriculum with IGCSEs and A Levels, the International Baccalaureate (IB) programme, and the American curriculum with AP options.
4. How can parents choose the right international school in Bangkok?
Beyond tuition fees, parents should consider the curriculum, teaching approach, campus environment, location, facilities, language options, and overall school community. Visiting schools or attending education events such as the Bangkok Education & Lifestyle Fair can also help families compare different options before making a decision.
