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Ruamrudee International School, Ratchapruek
- AP
- IB Diploma
- American
About
RIS Ratchapruek is a campus of Ruamrudee International School in Bang Kruai, Nonthaburi, serving Pre-K 2 to Grade 12. It opened in 2019, follows an American curriculum, offers Advanced Placement courses and the IB Diploma Programme, and is accredited by WASC.
Key facts
Source: Read from the school's website
Curriculum
AP · IB Diploma · American
Ages
Ages 2–17
Language
English
Type
International school
- Grades
- Pre-K 2 – Grade 12
- Founded
- 2019
- Religion
- catholic
- Ownership
- Religious body
Fees
Source: Read from the school's website
2026-27 school year
| Grade | Per semester |
|---|---|
| Pre-K 2-4 | THB 251,000 |
| KG | THB 251,000 |
| Grade 1 | THB 341,000 |
| Grades 2-5 | THB 341,000 |
| Grades 6-8 | THB 359,500 |
| Grades 9-11 | THB 397,500 |
| Grade 12 | THB 397,500 |
The school's document states 2 payments per year.
One-off costs
- Application fee
- THB 5,000
As published by the school. Amounts change with the school year and exchange rates; please confirm with the school before applying. Source: school website (checked 2026-11-01)
Admissions
Source: Read from the school's website
- Entry process
- Interview, Eal test
- Scholarships
- Yes
Curriculum and academics
Source: Read from the school's website
Curricula, explainedIB DP (Diploma) · AP · American curriculum
The IB's four programmes
Schools often run only some of the four. Highlighted boxes are the ones this school offers.
- IB PYPNot here
Early years to primary · Ages 3–12
The IB's primary programme. Children learn through questions and units of inquiry rather than separate subjects.
- IB MYPNot here
Middle years (ages 11–16) · Ages 11–16
The IB's middle-years programme: eight subject groups taught with links between them, ending with a personal project.
- IB DP (Diploma)Offered
Last 2 years of school · Ages 16–19
The IB's university-entrance qualification — what people usually mean by "the IB". Six subjects plus the Extended Essay, TOK and CAS, scored out of 45.
- IB CP (Career-related)Not here
Last 2 years of school · Ages 16–19
The IB's career-related route for the same ages as the DP: at least two DP courses plus a career-related study chosen by the school.
Last two years: DP or CP
AP
High school, by subject · Ages 15–18
College Board's university-level courses that high-school students choose subject by subject, with exams scored 1–5 each May.
American curriculum
Kindergarten to Grade 12 · Ages 5–18
Grade-by-grade like US schools; students graduate by earning course credits, often with AP courses in high school.
Ages are the usual bands; schools can differ.Curriculum basics guide
Strengths
- Academics
- Service
Student support
Source: Read from the school's website
- English support (EAL)
- Yes
- Learning support (SEN)
- Moderately selective
Campus and school life
Source: Read from the school's website
After-school activities
- Extended Day Program (EDP)
Request a school tour
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Sign in to requestAccreditation and memberships
Source: Read from the school's website
- Accreditations
- IB, WASC
- Memberships
- EARCOS
Licence
Listed in the Office of the Private Education Commission (OPEC) register of international schools in Thailand (checked 2026-10-29).
More details
Source: Read from the school's website
The essentials
Additional learning support
Runs English Language Development and Learning Support programmes, with individual accommodations and psychological evaluation.
- English Language Development
- Learning Support
School website · Checked 2026-11-06
Diving deeper
House system
Four houses named after Thai mythical creatures compete and collaborate across year levels, earning points for events and positive behaviour.
- Yaksha
- Naga
- Kinnari
- Garuda
School website · Checked 2026-11-06
Governance and ownership
A Catholic school whose idea came from the Redemptorists of Thailand in 1957. It offers an interfaith, inclusive education.
School website · Checked 2026-11-06
Academics
Curriculum
Follows a standards-based American curriculum, with AP courses and the IB Diploma Programme.
- American curriculum
- Advanced Placement
- IB Diploma Programme
School website · Checked 2026-11-06
Academic calendar
Open linkSchool website · Checked 2026-11-06
Wellbeing
English as an additional language (EAL)
Students without three years of English-medium schooling take the WIDA assessment and receive English Language Development support.
School website · Checked 2026-11-06
Parent experience
History
Founded in 1957 and renamed in 1963. The Ratchapruek campus opened in 2019 in Bang Kruai, Nonthaburi.
School website · Checked 2026-11-06
Community
Connects students with local and national partner organisations and links learning to the UN Sustainable Development Goals.
School website · Checked 2026-11-06
Facilities
Facilities overview
A purpose-built campus near Ratchapruek Road, designed to provide a warm environment for learning.
School website · Checked 2026-11-06
Extra-curricular activities
Social and hobbies
The Extended Day Program offers activity-based courses that build teamwork, creativity and personal interests.
- Extended Day Program
School website · Checked 2026-11-06
Reputation
Accreditations
Fully accredited by WASC and authorised as an IB World School for the Diploma Programme.
- WASC
School website · Checked 2026-11-06
Admissions
Admissions
Applicants submit an online form and documents, then complete testing or interviews before grade placement.
School website · Checked 2026-11-06
Location
Source: Read from the school's website
Similar schools
Ruamrudee International SchoolAmerican · IB Diploma · AP
THB 400K–700K (about USD 11.9K–20.9K)
Thai-Chinese International SchoolAP · IB Diploma · American
THB 390K–517K (about USD 11.6K–15.4K)
D-PREP International SchoolAmerican · AP
THB 454K–698K (about USD 13.5K–20.8K)
King Mongkut's International Demonstration SchoolAP · American
THB 359K–533K (about USD 10.7K–15.9K)
Schools in the same city with a similar curriculum and fee level. Not a ranking.
More in this city · BangkokUpdated 2026-11-06
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