English: There are six primary education service area offices (PESA) in Chiang Mai Province, as illustrated, responsible for primary schools affiliated with the Office of Basic Education Commission of Thailand (OBEC).
Chiang Mai PESA 1 (blue) covers districts of Mueang Chiang Mai, Doi Saket, Mae On, and San Kamphaeng.
Chiang Mai PESA 2 (yellow) covers districts of Mae Rim, Mae Taeng, Phrao, Samoeng, and San Sai.
Chiang Mai PESA 3 (green) covers districts of Chai Prakan, Chiang Dao, Fang, Mae Ai, and Wiang Haeng.
Chiang Mai PESA 4 (red) covers districts of Doi Lo, Hang Dong, Mae Wang, San Pa Tong, and Saraphi.
Chiang Mai PESA 5 (purple) covers districts of Doi Tao, Hot, and Om Koi.
Chiang Mai PESA 6 (mustard) covers districts of Chom Thong, Galyani Vadhana, and Mae Chaem.