What is the design room area index of ordinary classrooms in primary and secondary schools?

85 square meters/room. According to the "Guidelines", the use area of ordinary classrooms in primary schools is expanded to 85 square meters/room, 90 square meters/room for junior high schools and senior high schools, and 165 square meters/room for kindergarten classes, with an increase of 20 square meters for a single classroom in each school period. The per capita use area of ordinary classrooms shall not be less than1.15m2 in primary schools and1.12m2 in secondary schools.