For official school announcements and event newsletters, click here.

Ruamrudee International school

Welcome to RIS
Minburi Campus

RIS is committed to educational excellence through an academically challenging and relevant curriculum and extracurricular activities that develop reflective, critical, and self-directed learners.

RIS is vigilant in providing quality facilities and resources, an efficient organizational structure, and professional, qualified teaching staff.

Ad Astra Ruamrudee

RIS was founded on the Christian spirit of love, with concern for the family and human dignity, that values the cultural, national, and religious identity of each individual. The school motto Ad Astra translates as “to the stars” and encourages every student to aim for the best, not only in their education but also in their personal and spiritual growth.

About RIS

Since 1957, RIS has been known for its excellence in education. That’s six decades—and counting.

Read More
RIS Early Years Campus

Launched in August 2020, RIS Early Years Campus on Phraya Suren Road in the Raminitra-Kanchanapisek area, is designed to lay a strong foundation for young children, ages 2 to 6.

Read More
Ratchapruek Campus

Launched in August 2019, the RIS Ratchapruek campus on Bang Kruai – Sai Noi Road, Nonthaburi, is open for students from Pre-K 2 to grade 10.

Read More
RIS Phuket

RIS Phuket by Chalong Bay in the south of Thailand features a seaside, eco-friendly campus blending outdoor and indoor learning. RIS Phuket is open for admissions for ages 2 to 6, with plans to expand in the future.

Read More

School performance

Students with Perfect AP scores

CLASSES OF 2019–2023

RIS students are consistently accepted to many of the world’s top universities and colleges. Recent graduates have gone to Harvard, Stanford, Yale, UCLA, UC Berkeley, and University College London, among others.

We offer 37 ib and 15 AP classes

Our teachers stay at RIS for an average of 8 years. One of the highest retention rates for an international school. 

72% of our faculty members hold graduate degrees 

We offer English Language Development and Learning Support programs for truly personalized learning.