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Thailand, Bangkok
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Ruamrudee International School – Ratchapruek Campus is situated in Nonthaburi, just west of Bangkok, along Bang Kruai–Sai Noi Road in Bang Krang. The campus lies in a suburban area with reasonably direct links to central Bangkok and nearby local communities.
The school serves children from age 2 (Pre-K 2) through Grade 12.
RISR is a co-educational day school, and boarding facilities are not offered.
The school offers a Learning Support (LS) program, providing individualized accommodations and support to help students access the curriculum successfully. There is also an English Language Development (ELD) pathway for students who need additional language support.
There is no formal affiliation with any foreign country; RISR follows a modified American curriculum and is part of the Ruamrudee International School network founded in Thailand.
The school has a Catholic foundation but maintains an interfaith and inclusive environment in its educational mission.
Details about specific school day timings, including start/end times or breaks, are not publicly published.
There is no information regarding a school bus or coach service.
Application Fee: THB 5,000 (non-refundable)
Registration Fee: THB 100,000 (one-time, non-refundable; payable in two installments for Pre-K 2)
Learning Resources Fee: THB 40,000 (one-time, non-refundable for books and educational materials)
Annual Tuition & Fees
Pre-K 2–4: THB 566,000
Kindergarten: THB 578,000
Grade 1: THB 755,000
Grades 2–5: THB 721,000
Grades 6–8: THB 757,000
Grades 9–12: THB 831,000
These include tuition, student life fee (THB 20,000 annually), technology & supplies (Grades 1+ THB 12,000), and set lunch, snack & milk (about THB 34,000 annually depending on stage).
Additional Semester Fees
English Language Development (ELD): THB 30,000 (based on assessment)
Learning Support (LS): THB 40,000 (based on assessment)
Band Instrument Rental: THB 4,000 (band students only)
Graduation Fee: THB 4,500 (Grade 12 only, Semester 1)
Yearbooks, Extended Day Program (EDP), Uniform: costs vary
Discounts
Family Discount:
Registration fee reduced by THB 50,000 for the second child and THB 25,000 for the third child; tuition reduced by THB 15,000 per sibling for simultaneous enrollment.
Single Annual Payment:
Families paying full-year fees upfront receive a 2% discount.
Payment Methods
Bank transfer (Siam Commercial Bank) or credit card (Visa/Mastercard, with up to 3% service fee).
Refunds
Application, registration, and learning resources fees are non-refundable. No general refund policy is listed for tuition within the document.
Located just north of Bangkok in Nonthaburi, Ruamrudee International School’s Ratchapruek Campus (RISR) opened in August 2019 and serves students from Pre‑K 2 through Grade 11, with its first Grade 12 cohort launching in August 2025. Students follow a modified American curriculum aligned with AERO standards and, in upper grades, may choose between the IB Diploma Programme or the AP track. The school emphasizes inquiry-based STEM learning, service projects aligned with the UN Sustainable Development Goals, and creative expression through arts competitions and summer art classes. With English as the medium of instruction, and character development rooted in the “union of hearts” philosophy, RISR offers a nurturing and community-minded environment for international families seeking academic, creative, and service-oriented growth.
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