Prem Tinsulanonda International School is a Grade 1 - 12 international day and boarding school for boys and girls aged 3 – 19. The school opened in August 2001 in Chiang Mai, Thailand and is a key part of the Traidhos Three-Generation Community for Learning, designed and created by Thai architect and artist, ML Tridhosyuth Devakul. The school is on a 100-acre campus, and has approximately 500 students from 29 countries.

Prem Tinsulanonda was a Thai military officer, politician, and statesman who served as the Prime Minister of Thailand from 3 March 1980 to 4 August 1988, during which time he was credited with ending a communist insurgency and presiding over accelerating economic growth. As president of the Privy Council, he served as Regent of Thailand from the death of King Bhumibol Adulyadej on 13 October 2016 until 1 December 2016, when Vajiralongkorn was proclaimed King. At the age of 98, Prem was the longest-living Thai Prime Minister. He is also the oldest regent of any country, surpassing Bavarian Prince Regent Luitpold's record, when he became the regent for king Rama X.