How to Write an Application for School Leaving Certificate? It is proof that your studies are completed in that school and that you are eligible to take admission in another school. In case the school has not provided the certificate, then you can write a letter to the school principal requesting it. It is a certificate that is provided by the school authorities to the student before leaving the school.

If you are leaving your old school and moving to a new school, you will need a school leaving certificate.