1. Students need to obtain an exeat from the school office before leaving the campus for any reason.
学生在离校前需要从学校办公室领取离校证，无论出于什么原因。

2. The school requires parents to provide a written request for an exeat if their child needs to leave during school hours.
学校要求家长书面申请离校证，如果他们的孩子需要在上课时间离开。