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Thailand, Chiang Mai
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Prem International School is located in Mae Rim, about 25 km north of Chiang Mai, Thailand, on a spacious 100-acre campus nestled in a rural setting. The campus is accessible by car and bus and provides a tranquil, nature-filled environment with forests, ponds, and meadows that serve as part of the educational experience.
The school serves students aged 3 to 19, covering Early Years (EY1–3), Primary (Grades 1–5), Middle Years (Grades 6–10), and Senior School programs, including the IB Diploma and Career-related Programmes in Grades 11–12.
Prem is a co-educational international school offering both day and boarding options. Boarding is available for Grades 3–12, with full (7-day) and weekly (5-day) arrangements in modern dormitories, apartments, and short-stay residences.
Students in Grades 3–8 who require extra English support attend the Intensive English Programme (IEP), which focuses on building language skills in literacy, math, science, and humanities, alongside creative and outdoor learning activities.
Prem has no affiliation with any country.
The school has no religious affiliation.
Specific start/end times or break schedules aren’t listed publicly on the school's website.
A school transport service is available for day students, with fees ranging from THB 16,125–19,500 per term based on home-to-school distance.
Application Fee: THB 6,000 (non-refundable)
Security Deposit: THB 50,000 (refundable)
Foundation Fee: THB 130,000 (non-refundable)
Annual Tuition Fees
Early Years 1–3: THB 399,000
Grade 1: THB 428,000
Grades 2–3: THB 470,000
Grades 4–5: THB 580,000
Grades 6–7: THB 700,000
Grade 8: THB 740,000
Grades 9–12: THB 780,000
Intensive English Programme (IEP): THB 668,000
Annual Boarding Fees
Weekly (5 days): THB 336,000
Full (7 days): THB 458,000
Note: fees covers accommodation, meals, academic support, and weekend activities
Additional THB 20,000 Contingency Account required per boarding student
Sibling Discounts
2nd child: 10%
3rd child: 15%
4th child: 20%
5th child and beyond: 50%
Note: applies to tuition and boarding fees
Additional Fees
Lunch & Snack Fee (day students):
EY1–Grade 5: THB 9,650 per term
Grades 6–12: THB 11,500 per term
Uniform: Required for all except Grade 12
Transport Fee (day students): THB 16,450–19,900 per term, depending on distance (refundable only if unused for full term)
Academic Costs
IB Examination Fee (Grade 12): Varies based on course selection
Additional IB Course Fees: THB 15,000 per subject (e.g. Art, Biology, Geography)
Textbooks: English A1 and A2 texts required for IB students
SAT Exam Fees: Charged as per official SAT rates
Transcripts: 6 included with postage; extras THB 300 each
Courier/Postage (Grades 11/12): THB 1,200–1,500 per university application
EAL Support Fee: THB 21,000 (if required based on assessment)
Refund Policy
With one-term written notice: 100% refund
Withdrawal within first 2 weeks of term: 75% refund
After two weeks: No refund
If full-year fee paid in advance:
Up to end of Term 1: 75% refund
Up to end of Term 2: 50%
Up to end of Term 3: 25%
Boarding refund with one-term notice: 80%
Without notice: 20% charge applies
Deferral / Retainer: THB 20,000 per term (for students taking a break/gap or delaying start)
Payment Options
Cash, credit card, Cheque/bank draft, WeChat & Alipay.
Late payment penalty: 1.25% monthly; records may be withheld after 30+ days
Prem Tinsulanonda International School was founded as part of the Traidhos Three-Generation Community for Learning by Mom Luang Tridhosyuth Devakul, and named in honor of General Prem Tinsulanonda. Located on a 100-acre campus in Mae Rim, northern Chiang Mai, it serves both day and boarding students aged 3 to 19 years. The school follows the full International Baccalaureate (IB) curriculum, offering PYP in early years through Grade 5, MYP for Grades 6–10, the IB Diploma Programme (DP), and the IB Career-related Programme (IBCP) for Grades 11–12. Facilities of the school include boarding apartments, six science labs, multiple sports fields, an Olympic-size pool, indoor sports hall, tennis, cricket and golf facilities, forest and farm-based learning areas, art and drama studios, an amphitheatre, auditorium, cookery school, medical centre, and design workshop.
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