Primary One School Net 91 covers the following districts and estates: Fo Tan, Ma Liu Shui, Pai Tau, Siu Lek Yuen, Sha Tin Wai, Yuen Chau Kok, Shan Mei, Kau To Shan, Chek Nai Ping, A Kung Kok, Yee Ming Estate, Pok Hong Estate, Shak Kok Estate, Discovery City Court, Regal Gardens, Riverside Garden, Garden City, Cityone Shatin, Yu Tin Court, Riverside Garden, Riviera Gardens, Kwong Yuen Estate, Tipton Town, Tsang Tai Uk, Kwong Lam Estate, Hong Lam Estate, Tsui Wo Court, Pik Tao Gardens, Ching Pik Garden, Yan Ting Heen, Yu Chui Court, Lek Yuen Estate, Wo Che Estate, Sui Wo Court, Silver Jubilee Garden, Hilton Center, Shatin Plaza, New Town Plaza, Good Luck Center, Prosperous Garden, Wah Tsui Garden, Shek Mun Estate, Royal Dragon Hill, Fung Wo Estate, Shui Chuen O Estate, Chun Yeung Estate, Yuk Wo Court.
The elementary school net of 91 comprises 17 elementary school, of which 17 are aided elementary school, 0 are government elementary school; 1 is a Catholic elementary school, 9 are Christian elementary school and 1 is a Beggar's School; all are in the Sha Tin district.
