

Traill International School
Founded 1966
Updated July 2026
Accreditations
Languages
Traill International School is a long-established international school in Bangkok offering the National Curriculum of England to students aged 2 to 18. It is recognized for its family-oriented atmosphere, small class sizes, and a balanced approach to academic, athletic, and personal development.
Teaching approach
Traill International School is built on a 60-year legacy defined by a strong family ethos and a commitment to whole-child development. The school fosters a warm, supportive environment that encourages students to achieve their personal best, develop a strong work ethic, and flourish as well-rounded individuals. Diversity is a core value, with nearly 40 nationalities represented within the student body.
Programmes
The school follows the National Curriculum of England across all phases: Kindergarten (ages 2-5), Primary School (Years 1-6), Middle Years (Years 7-11), and Sixth Form (Years 12-13). The secondary curriculum prepares students for IGCSE examinations, while the Sixth Form offers A-level and diploma pathways. Additionally, the school provides instruction in Thai language, culture, and history, as well as English as a Second Language (ESL) support.
Outcomes
Students consistently achieve high results in IGCSE, AS Level, and A Level examinations, often exceeding international averages. Graduates have secured scholarships to prestigious universities across the UK, Australia, USA, Canada, Holland, Japan, Hong Kong, Taiwan, New Zealand, the Philippines, Thailand, and China. The school has also produced multiple Cambridge University 'Top in Thailand' and 'Top in the World' award winners.
Student support
Learning support
A dedicated team of nine specialist teachers provides support for students who arrive with limited English proficiency. The school also operates a Gifted & Talented programme to nurture specific student abilities. Pastoral care is a cornerstone of the school, supported by a PSHE programme that celebrates cultural diversity and ensures student well-being.
Frequently asked questions(5)
- What curriculum does Traill International School offer?
- Traill International School offers National Curriculum (England), IGCSE and Cambridge A-Level.
- How much is tuition at Traill International School?
- Annual tuition at Traill International School is THB 370.8K–THB 577.7K. Fees vary by year group — confirm the current schedule with the school.
- Is Traill International School a day or boarding school?
- Traill International School is a day school.
- What accreditations does Traill International School hold?
- Traill International School holds accreditations including British Schools Overseas and Cambridge International.
- Where is Traill International School located?
- Traill International School is an international school in Bangkok, Thailand.
Tuition & fees
Annual tuition by grade
2026-2027| Grade | Ages | Annual |
|---|---|---|
| Pre KG | 2–3 | THB 370.8K |
| KG1 | 3–4 | THB 370.8K |
| KG2 | 4–5 | THB 370.8K |
| Year 1 | 5–7 | THB 404.1K |
| Year 2 | 5–7 | THB 404.1K |
| Year 3 | 7–9 | THB 431K |
| Year 4 | 7–9 | THB 431K |
| Year 5 | 9–11 | THB 459.6K |
| Year 6 | 9–11 | THB 459.6K |
| Year 7 | 11–13 | THB 501.9K |
| Year 8 | 11–13 | THB 501.9K |
| Year 9 | 13–14 | THB 530.7K |
| Year 10 | 14–16 | THB 572.7K |
| Year 11 | 14–16 | THB 572.7K |
| Year 12 | 16–18 | THB 577.7K |
| Year 13 | 16–18 | THB 577.7K |
Source:PDF1dd811_ffc97c97e1434f8db055c160b1cbabfb.pdfPDF1dd811_d65e0f97746a44e2af5787fe466bcd13.pdfPDF1dd811_3c9db2d41b5546dd9f75ea2438022ccd.pdf
Other fees(10)
| Registration fee· One-time payment for school life, non-refundable | THB 130K |
|---|---|
| Deposit· One-time payment, refundable on leaving school within 3 months of leave date | THB 35K |
| Enrolment feeterm· Amortisation & Facilities Development Fee (22,500 THB per year), non-refundable | THB 7.5K |
| Materialsterm· Resource Fee (18,000 THB per year), non-refundable | THB 6K |
| Bus / transportterm· Return bus service (One way is 27,000 THB per term) | THB 34K |
| Boardingterm· Inclusive of accommodation, transportation and all meals. Available for Year 9 and above. | THB 120K |
| Materialsyear· Cadet Training (for Thai Nationals only) | THB 5K |
| Mealsterm· Mandatory meal plan for all ages and years (28,500 THB per year) | THB 9.5K |
| EALterm· ESL (Part-time English, Humanities, and Science classes) for Year 3 to Year 10 | THB 36K |
| EALterm· Full Immersion ESL (Full-time study in all subjects) for Year 3 to Year 10 | THB 46K |
Discounts
- Full-payment discount: 5%
Admissions
Traill International School maintains a comprehensive intake policy that prioritizes inclusivity over academic selectivity. Prospective families are encouraged to book a personalized school tour to experience the campus environment firsthand. Detailed information regarding the admissions procedure and current school fees is available for download via the school's website.
Calendar
The school provides a downloadable annual academic calendar that outlines all major events and key dates throughout the school year. This document is available for families to print or save for reference.
Facilities
About the campus
The campus features a range of resources, including a large gymnasium, a football pitch, and a well-maintained swimming pool. The school also provides plentiful classrooms, specialist teaching areas, and a well-stocked library to support the learning environment. The site is located near the Rama 9/Ramkamhaeng intersection, offering accessible transport links from various parts of Bangkok.
Co-curriculars
The school offers a balanced programme that integrates extracurricular activities alongside academics and sports. Students have the opportunity to participate in the International Award and various arts-related activities. Residentials are also a feature of the school life programme, providing students with experiences beyond the classroom.


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National Curriculum (England)
IGCSE
British Schools Overseas