Ruamrudee International School

Lat Phrao Bangkok

American/IB
International
Ages 3 - 18

Indicative annual tuition

THB 430,000 – 640,000

Mid-range fees for Bangkok

vs Bangkok schools listed

Lowest in city Highest in city

Indicative figures from the school's most recent published fees. They vary by year group and extras; confirm current fees with the school before applying.

Curriculum: American/IB
Ages: 3 - 18
Type: International
Languages: English, Thai, French, Spanish
Area: Lat Phrao
Address: 6 Ramkhamhaeng 184, Minburi, Bangkok 10510

Last updated 27 September 2026 One of 16 schools we list in Bangkok

About Ruamrudee International School

Ruamrudee International School (RIS) is a prestigious American international school founded in 1957 by the Brothers of St. Gabriel, a Catholic religious order. Set on a beautiful 22-acre campus, RIS offers an American-style college preparatory curriculum from Pre-Kindergarten through Grade 12, alongside the IB Diploma Programme.

RIS is one of Bangkok's most respected international schools, known for its strong academics, values-based education, and outstanding university placement results. The school's diverse community of approximately 1,800 students from over 50 nationalities reflects Bangkok's cosmopolitan character, and its Catholic mission provides a strong ethical foundation.

The campus features exceptional facilities including a sports complex, 400-metre track, swimming pool, chapel, performing arts centre, and modern science and computer laboratories. RIS's combination of American educational rigour, Catholic values, and Thai cultural context makes it a unique and highly sought-after school.

Facilities and campus

Sports Complex
Swimming Pool
Chapel
Science Labs
Performing Arts
Library

Accreditations and memberships

As listed by the school. Check with the accrediting body if it matters for your decision.

IBO
WASC
EARCOS
ISAT

Location and contact

6 Ramkhamhaeng 184, Minburi, Bangkok 10510
+66-2-791-8900
admissions@rism.ac.th
rism.ac.th (opens in a new tab)

Ruamrudee International School

6 Ramkhamhaeng 184, Minburi, Bangkok 10510

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Questions parents ask

Ruamrudee International School follows the American/IB curriculum, catering to students aged 3 - 18.

Indicative annual tuition at Ruamrudee International School is THB 430,000 - 640,000, based on the most recent published figures. Fees vary by grade level and additional services — confirm current fees with the school before applying.

Ruamrudee International School is located at 6 Ramkhamhaeng 184, Minburi, Bangkok 10510, in the Lat Phrao area of Bangkok.

You can request information about Ruamrudee International School's admission process by filling out the inquiry form on this page. Our team will connect you with the school's admissions office.