
Ruamrudee International School
- American
- IB Diploma
- AP
Per yearabout USD 11.9K–20.9K
THB 400K–700K · 2026-2027 school year · Source: school website (checked 2026-11-06)

About
Catholic international school in Minburi, Bangkok, founded in 1957 by the Redemptorists of Thailand. Offers Pre-K to grade 12, with IB Diploma and AP options in high school. Accredited by WASC.
Key facts
Source: Read from the school's website
Curriculum
American · IB Diploma · AP
Ages
Ages 2–18
Students
940
Language
English
Type
International school
Fee level
Mid fees
- Founded
- 1957
- Religion
- catholic
- Ownership
- Religious body
Fees
Source: Read from the school's website
2026-2027 school year
Age on the first day of the school year (usually 1 September). Cut-off dates differ by school.
| Grade | Per year |
|---|---|
| Pre-K | THB 400,000≈ USD 11.9K |
| 12 | THB 700,000≈ USD 20.9K |
| per year | |
|---|---|
| Pre-K | THB 400,000 (about USD 11.9K) |
| 12 | THB 700,000 (about USD 20.9K) |
Source: school website (rism.ac.th) · checked 2026-11-06 · ECB reference rate (2026-11-06)
| min | max | |
|---|---|---|
| Ruamrudee International School (this school) | THB 400,000 (about USD 11.9K) | THB 700,000 (about USD 20.9K) |
| NIST International School | THB 650,200 (about USD 19.4K) | THB 1,132,800 (about USD 33.8K) |
| Bangkok Patana School | THB 515,000 (about USD 15.4K) | THB 1,014,000 (about USD 30.2K) |
| KIS International School Bangkok | THB 459,800 (about USD 13.7K) | THB 984,700 (about USD 29.4K) |
| Harrow International School Bangkok | THB 634,600 (about USD 18.9K) | THB 1,063,000 (about USD 31.7K) |
| Bangkok Prep International School | THB 384,800 (about USD 11.5K) | THB 862,200 (about USD 25.7K) |
Source: school website (rism.ac.th) · checked 2026-11-06 · ECB reference rate (2026-11-06)
Per semester · Across grades
Pre-K 2–4 → Grade 12
| Ruamrudee International School · Per semester | |
|---|---|
| Pre-K 2–4 | 243,000 |
| KG | 243,000 |
| Grade 1 | 330,000 |
| Grades 2–5 | 330,000 |
| Grades 6–8 | 348,000 |
| Grades 9–11 | 383,000 |
| Grade 12 | 383,000 |
| Grade | Per semester |
|---|---|
| Pre-K 2–4 | THB 243,000 |
| KG | THB 243,000 |
| Grade 1 | THB 330,000 |
| Grades 2–5 | THB 330,000 |
| Grades 6–8 | THB 348,000 |
| Grades 9–11 | THB 383,000 |
| Grade 12 | THB 383,000 |
The school's document states 2 payments per year.
One-off costs
- Application fee
- THB 5,000
- Enrolment fee
- THB 200,000
- Deposit
- THB 50,000
As published by the school. Amounts change with the school year and exchange rates; please confirm with the school before applying. Converted amounts use the reference rate of the date shown. ECB reference rate (2026-11-06). Source: school website (checked 2026-11-06)
Admissions
Source: Read from the school's website
- Mid-year entry
- Possible
- Deadline
- 2026-12-15 (Round 1 priority, for 2027–2028)
- Entry process
- Map, Eal test
- Scholarships
- Yes
- Sibling discount
- Tuition reduced by 15,000 THB per semester per additional sibling; registration fee reduced by 50,000 THB per additional child
- Financial aid
- Yes
Curriculum and academics
Source: Read from the school's website
Curricula, explained
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
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.
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.
Ages are the usual bands; schools can differ.Curriculum basics guide
Strengths
- Academics
- Performing arts
- Visual arts
- Service
Student support
Source: Read from the school's website
- English support (EAL)
- Yes
- Boarding
- Yes
Campus and school life
Source: Read from the school's website
Facilities
- Theatre
Sports
- Football
- Volleyball
- Athletics
Arts
- Music
- Theatre
- Dance
- Visual arts
After-school activities
- Extended Day Program
- Tutoring Program
Upcoming events
- Dec15TueApplication deadlineAll day
Priority application deadline
Checked 2026-11-01
Check on the school's page - Apr20TueApplication deadlineAll day
Priority application deadline (second round)
Checked 2026-11-01
Check on the school's page
From the school's own pages. Check again before attending.
All eventsRequest a school tour
Sign in to request a tour. You can follow its status on your page.
Sign in to requestAccreditation and memberships
Source: Read from the school's website
- Accreditations
- WASC, IB
- Memberships
- ISAT
Licence
Listed in the Office of the Private Education Commission (OPEC) register of international schools in Thailand (checked 2026-10-29).
The essentials
Source: Read from the school's website
Additional learning support
A Learning Support program runs from Pre-K to grade 12. After evaluation, an Individual Education Plan is built with families and teachers, and support is given in mainstream classes.
School website · Checked 2026-11-06
Diving deeper
Source: Read from the school's website
Boarding arrangements
Boarding is available for grades 7 to 12.
School website · Checked 2026-11-06
Governance and ownership
A Catholic school founded in 1957 by the Redemptorists of Thailand. It offers religion classes for Catholic students and values classes for students of other faiths.
School website · Checked 2026-11-06
Academics
Source: Read from the school's website
Curriculum
Uses a modified American curriculum. Pre-K follows the Reggio Emilia approach, and high school students choose between the IB Diploma and AP.
- IB Diploma
- AP
- Reggio Emilia approach (Pre-K)
School website · Checked 2026-11-06
Exam results
States that graduates have entered several top universities. Offers 37 IB and 15 AP classes.
School website · Checked 2026-11-06
Wellbeing
Source: Read from the school's website
English as an additional language (EAL)
Runs an English Language Development program by proficiency level, with push-in and pull-out support that differs by school section.
- Push-in support
- Pull-out classes
- Sheltered classes
- WIDA screening
School website · Checked 2026-11-06
Mental wellbeing
School counsellors offer whole-class, small-group and individual support covering academic, personal and social development.
School website · Checked 2026-11-06
Parent experience
Source: Read from the school's website
History
Founded in 1957 by the Redemptorists. Moved to the Minburi campus in 1992 and has been an IB World School since 1998.
School website · Checked 2026-11-06
Community
Has an active alumni network. Students connect with the local community through service learning.
School website · Checked 2026-11-06
Extra-curricular activities
Source: Read from the school's website
Arts and creative
Music, theatre, dance and visual arts programmes run from early childhood through high school.
- Music
- Theatre
- Dance
- Visual Arts
- Thai Classical Dance
School website · Checked 2026-11-06
Community and service
Service learning is built into curricular and co-curricular activities. Middle and high school students visit welfare organisations and take part in community projects.
- Service learning
- LEO Club
- Redemptorist Foundation projects
School website · Checked 2026-11-06
Reputation
Source: Read from the school's website
Accreditations
Accredited by the US-based WASC. Is an IB World School and a member of ISAT.
- WASC
- IB World School
- ISAT
School website · Checked 2026-11-06
Admissions
Source: Read from the school's website
Admissions
Admission has three steps: online application, assessments and a decision. Assessments depend on grade, and mid-year applications are considered case by case.
School website · Checked 2026-11-06
Scholarships
Offers scholarships and reductions for academic, arts, outstanding achievement, diversity and alumni-parent families.
School website · Checked 2026-11-06
Waitlist
A waiting list exists. Being on it does not guarantee admission.
School website · Checked 2026-11-06
Location
Source: Read from the school's website
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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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