Forty to fifty people. Official website, Education Bureau of Hexi District, shows that the normal number of students in a class of Youyi Road Primary School is 40 to 50, and there are 6 teachers in a class. Friendship Road Primary School was completed, located at the intersection of Friendship Road, Xinjinrong Street, Tianjin, the first expressway in Tianjin. The school covers an area of more than 5600 square meters, with more than 400 students and 43 faculty members, including senior middle school teachers 1 person and 37 senior primary school teachers. Young and middle-aged teachers have all obtained undergraduate degrees or are studying.