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.

Chiang Mai is the largest city in northern Thailand, the capital of Chiang Mai province and the second largest city in Thailand. It is 700 km (435 mi) north of Bangkok in a mountainous region called the Thai highlands and has a population of 1.2 million people as of 2022, which is more than 66 percent of the total population of Chiang Mai province.