English: There are three primary education service area offices (PESA) in Nakhon Sawan Province, namely Nakhon Sawan PESA 1, Nakhon Sawan PESA 2, and Nakhon Sawan PESA 3, as illustrated, responsible for primary schools affiliated with the Office of Basic Education Commission of Thailand (OBEC).
Nakhon Sawan PESA 1 (blue) covers districts of Mueang Nakhon Sawan, Chumsaeng, Kao Liao, Krok Phra, and Phayuhakhiri.
Nakhon Sawan PESA 2 (yellow) covers districts of Banphot Phisai, Chumtabong, Lat Yao, Mae Poen, and Mae Wong.
Nakhon Sawan PESA 3 (green) covers districts of Nong Bua, Phaisali, Ta Khli, Tak Fa, and Tha Tako.