Ruamrudee International (RIS)

Description: RIS Phuket is the Phuket campus of Ruamrudee International School, which was founded in Bangkok in 1957. It offers an American curriculum from Pre-K to Grade 12, with an IB Diploma pathway in the final years and small class sizes.

Curriculum: American curriculum from Early Years through High School, with an International Baccalaureate (IB) Diploma pathway for Grades 11 to 12.

Age Range: 2 to 17 years, from Pre-K 2 to Grade 12.

Yearly Average Cost: 538,400 to 824,400 THB per year depending on grade level, 2026–2027 (Pre-K to Grade 12).

One-Time Fees: 5,000 THB application fee and 200,000 THB registration fee, both non-refundable, plus a 50,000 THB refundable re-enrolment deposit.