English: There are three primary education service area offices (PESA) in Phetchabun Province, namely Phetchabun PESA 1, Phetchabun PESA 2, and Phetchabun PESA 3, as illustrated, responsible for primary schools affiliated with the Office of Basic Education Commission of Thailand (OBEC).
Phetchabun PESA 1 (blue) covers districts of Mueang Phetchabun, Chon Daen, and Wang Pong.
Phetchabun PESA 2 (yellow) covers districts of Khao Kho, Lom Kao, Lom Sak, and Nam Nao.
Phetchabun PESA 3 (green) covers districts of Bueng Sam Phan, Nong Phai, Si Thep, and Wichian Buri.