Welcome to Prem Tinsulanonda International School

The Prem Tinsulanonda International School is one of the most prestigious international schools in Thailand and one of only a few boarding schools in Asia offering the International Baccalaureate program. Located in Chiang Mai, Northern Thailand, our school provides an holistic IB education on a spacious, nature -filled campus, with comfortable boarding facilities to accommodate international students from across Asia and beyond.

More than 35 nationalities make up the international school character of our 470 students. The Prem community enjoys world class facilities including: extensive sports fields; an Olympic sized pool; golf, tennis and cricket academies; a well resourced library; private boarding apartments and several dining choices. With a campus that is the envy of the international schools of Thailand, the school boasts a peaceful and studious environment, with famous Thailand hospitality to help nurture the students' growth and development.

Established in 2000, the Prem Centre has become one of the leading boarding schools in Asia and is ranked among the best internationals schools in Thailand. It is also the only school offering the full complement of International Baccalaureate (IB) programmes outside of Bangkok.


"Overwhelmingly, the NEASC Visiting Team has found PTIS to be more than just a school. It is a loving, caring and nurturing home for students privileged to belong here." (Comment in official evaluation accreditation report)
Prem Tinsulanonda International School
is accredited by
CIS / NEASC

IB Schools International Schools Asia Boarding Schools Boarding Schools