Top International Schools in Thailand

Published on May 6, 2026 and written by Cyril Jarnias

Thailand is an increasingly popular destination for expatriates, especially families with children. Education is a priority there, and the country offers a wide selection of quality international schools. Discover our selection of the best international schools in Thailand, along with essential information on the budgets to plan for your children’s schooling.

Top 5 International Schools in Thailand

1. Bangkok Patana School

Address: 643 Lasalle Road (Sukhumvit 105), Bangna, Bangkok 10260

Annual Cost: From 500,000 to 900,000 THB (approximately $13,000 to $23,500)

• Largest international school in Thailand
• British curriculum and IB
• Excellent sports and arts facilities

Description: Founded in 1957, Bangkok Patana School is renowned for its academic excellence and holistic approach to education. The school welcomes over 2,200 students from 65 different nationalities, from kindergarten to 12th grade. Its vast 44-hectare campus offers state-of-the-art facilities, including science labs, art and music studios, and sports fields.

2. International School Bangkok (ISB)

Address: 39/7 Soi Nichada Thani, Samakee Road, Pakkret, Nonthaburi 11120

Annual Cost: From 600,000 to 1,000,000 THB (approximately $15,600 to $26,000)

• American curriculum and IB
• Ultra-modern campus
• Strong technology focus

Description: Founded in 1951, ISB is one of the oldest and most respected international schools in Thailand. It enrolls approximately 1,800 students from over 60 nationalities. Its cutting-edge campus includes high-tech classrooms, a cultural center, top-tier sports facilities, and even an indoor climbing wall.

3. Shrewsbury International School Bangkok

Address: 1922 Charoen Krung Road, Wat Prayakrai, Bang Kholaem, Bangkok 10120

Annual Cost: From 700,000 to 1,100,000 THB (approximately $18,200 to $28,600)

• British curriculum
• Excellent IGCSE and A-Level exam results
• Unique riverside location on the Chao Phraya River

Description: Shrewsbury International School Bangkok offers a high-quality British education in a beautiful riverside setting. The school is known for its excellent academic results and rich extracurricular program. It features modern facilities, including a 650-seat theater and a world-class sports complex.

4. NIST International School

Address: 36 Soi Sukhumvit 15, Klongtoey-Nua, Wattana, Bangkok 10110

Annual Cost: From 550,000 to 950,000 THB (approximately $14,300 to $24,700)

• Full IB program (PYP, MYP, DP)
• Strong focus on sustainability
• Central location in Bangkok

Description: NIST International School is the first school in Thailand to offer the full IB program. It is recognized for its innovative approach to education and commitment to sustainability. The school enrolls about 1,600 students from 50 different nationalities and has a modern campus in the heart of Bangkok.

5. Harrow International School Bangkok

Address: 45 Soi Kosumruamchai 14, Don Mueang, Bangkok 10210

Annual Cost: From 800,000 to 1,200,000 THB (approximately $20,800 to $31,200)

• Affiliated with the prestigious Harrow School in London
• British curriculum and IB
• Boarding available

Description: Harrow International School Bangkok offers a high-level British education in an environment inspired by the tradition of Harrow School in London. The school offers both day and boarding programs and stands out for its emphasis on character and leadership development. Its vast campus includes top-tier sports facilities and state-of-the-art science labs.

Budget to Plan: How Much Does International Education Cost in Thailand?

For an expatriate looking to enroll their children in an international school in Thailand, it is important to plan a significant budget. Here is an estimate of the costs to anticipate:

1. Tuition Fees

Annual tuition fees generally range from 400,000 to 1,200,000 THB (approximately $10,400 to $31,200) per child, depending on the school and grade level. The most prestigious schools and those located in central Bangkok tend to be more expensive.

2. Enrollment Fees

Most schools charge a one-time enrollment fee, which can range from 50,000 to 200,000 THB (approximately $1,300 to $5,200) per child.

3. Security Deposit

Some schools require a refundable security deposit, typically equivalent to one term of tuition fees.

4. Uniforms

The cost of uniforms can range from 10,000 to 30,000 THB (approximately $260 to $780) per year.

5. School Supplies and Textbooks

Budget between 10,000 and 30,000 THB (approximately $260 to $780) per year for school supplies and textbooks.

6. School Transportation

If you opt for the school bus service, expect to pay between 30,000 and 80,000 THB (approximately $780 to $2,080) per year.

7. Extracurricular Activities

Extracurricular activities can cost between 20,000 and 100,000 THB (approximately $520 to $2,600) per year, depending on the number and type of activities chosen.

In total, for a child enrolled in an international school in Thailand, the annual budget to plan generally ranges from 600,000 to 1,500,000 THB (approximately $15,600 to $39,000), or even more for the most prestigious schools.

Conclusion: An Investment in Your Children’s Future

Although international education in Thailand represents a significant financial investment, it offers many advantages for expatriate children. These schools provide high-quality teaching, modern facilities, and a rich multicultural experience that prepares students to succeed in a globalized world.

When choosing an international school, it is important to consider not only the cost but also the quality of education, the school’s reputation, the programs offered, and compatibility with your child’s needs and aspirations.