Ramkhamhaeng Advent International School Bangkok (RAIS)
Key Stats
Annual Fees: US$5K – US$7K
Curriculum: American
Age Range: 2–18
Students: 700
Location: Bangkok
Updated February 2026
In Brief
Ramkhamhaeng Advent International School is a WASC-accredited Christian international school offering American curriculum from preschool through Grade 12, positioned as one of Bangkok's most affordable international options with fees around THB 237,500-274,000. While Reddit discussions mention hearing some good things about RAIS as a budget-friendly choice, the school maintains limited visibility in Bangkok's competitive international education market compared to tier-one institutions like ISB, NIST, or Bangkok Patana.
Founded in 1999 by the Seventh-day Adventist Mission in Thailand, RAIS operates from its Hua Mak campus serving students from 18 different nationalities. The school follows WASC-accredited American curriculum aligned with California Content Standards, featuring English-only instruction from preschool through high school. Students can take AP courses, SAT, and IELTS examinations, with RAIS serving as an official SAT and AP testing center. The Christian foundation integrates faith-based values with academic learning, emphasizing moral development alongside educational achievement.
Parent discussions on Reddit position RAIS within the budget-friendly tier of Bangkok international schools, with families mentioning hearing positive things about the institution. However, concerns exist within the broader Christian school network about religious content potentially replacing academic subjects, as noted by former students from similar institutions. The school's small student body and diverse nationality mix create an intimate learning environment, though this also means fewer extracurricular options and peer networks compared to Bangkok's larger international schools. RAIS serves families seeking affordable American curriculum education with Christian values integration, though it operates below the radar of Bangkok's most discussed international education options.
What parents value
- –Affordable fees compared to Bangkok's tier-one international schools
- –WASC accreditation ensuring American curriculum standards
- –Official SAT and AP testing center status
- –Small class sizes with personalized attention
- –Diverse student body representing 18 nationalities
- –Christian values integration for families seeking faith-based education
- –English-only instruction environment from early years
Points of consideration
- –Very small student population may limit extracurricular and social opportunities
- –Christian religious instruction is integral to the curriculum
- –Limited visibility and discussion in expatriate community school comparisons
- –Concerns about religious content potentially affecting academic subjects
- –Less established reputation compared to Bangkok's tier-one international schools
- –Limited information available about university placement outcomes
- –Located in Hua Mak area which may not be convenient for all families
Annual Fees
| Year Group | Age | USDTotal Annual Fee |
|---|---|---|
| Nursery | 3 | 5,772 |
| K1-K2 | 3 | 5,990 |
| K3 | 5 | 5,990 |
| Grade 1-2 | 6 | 6,739 |
| Grade 3 | 8 | 6,739 |
| Grade 4 | 9 | 6,770 |
| Grade 5 | 10 | 6,770 |
| Grade 6-8 | 11 | 6,802 |
| Grade 9-11 | 14 | 7,176 |
| Grade 12 | 17 | 7,176 |
Fees converted from THB. For the most up to date and accurate figures please double check with the school.
Additional Fees
| Fee | Amount |
|---|---|
| Admission Fee (Nursery to K3) | 1,560 |
| Admission Fee (Grade 1 to 5) | 2,340 |
| Admission Fee (Grade 6 to 8) | 2,496 |
| Admission Fee (Grade 9 to 12) | 2,808 |
| Book Deposit (Refundable) | 936 |
Photos

Academic Results
Academic results have not been made publicly available by this school.
Extra Curriculars
Contact the school for details on co-curricular activities and facilities. Ask what a normal week looks like outside lessons for your child's interests.
Inspections & Accreditations
Inspection
No published inspection details are currently available.
Accreditations
Accreditation details are not publicly listed.
Memberships
Membership details are not publicly listed.
Student Body
Bangkok's international schools serve a diverse community of expat and local families. Contact the school for current enrolment details.
Leadership
Mary Megan Lartey - Principal
Mary Megan Lartey serves as the Principal of Ramkhamhaeng Advent International School (RAIS) in Bangkok, leading the school through the 2025-2026 academic year. She authored the official welcome message for returning and new families, emphasizing academic excellence, character development, and spiritual growth in a Christian environment.
