"Wearing a school uniform is mandatory for school"
来源: 校服制度通常是学校制定的规章制度，以维护学校形象和纪律。
例句:
Students are required to wear the school uniform at all times while on campus.
(学生在校园内必须一直穿校服)
It is a rule that all pupils must wear their school uniform on the way to and from school.
(所有学生上下学途中必须穿校服是一项规则)