English: There are five primary education service area offices (PESA) in Khon Kaen Province, as illustrated, responsible for primary schools affiliated with the Office of Basic Education Commission of Thailand (OBEC).
Khon Kaen PESA 1 (blue) covers districts of Mueang Khon Kaen, Ban Fang, and Phra Yuen.
Khon Kaen PESA 2 (yellow) covers districts of Ban Haet, Ban Phai, Chonnabot, Khok Pho Chai, Mancha Khiri, and Puei Noi.
Khon Kaen PESA 3 (green) covers districts of Non Sila, Nong Song Hong, Phon, Waeng Noi, and Waeng Yai.
Khon Kaen PESA 4 (red) covers districts of Khao Suan Kwang, Kranuan, Nam Phong, Sam Sung, and Ubolratana.
Khon Kaen PESA 5 (purple) covers districts of Chumphae, Nong Na Kham, Nong Ruea, Phu Pha Man, Phu Wiang, Si Chomphu, and Wiang Kao.