Download the ones you like and customize them in your own words. You’d also find some ready-to-use request letter templates for leaving certificates. This article provides an in-depth guide on how to write an application for leaving a certificate from school. Usually, the school management provides a leaving certificate along with other documents like the mark sheet and character certificate. A leaving certificate from school is an essential document issued by the school management to show that the student has completed his/her academic year, passed exams, and is eligible to enroll for further studies in another school or college.