__________ (School Name),
Date: __/__/____ (Date)
Subject: Leave application for some urgent work
Respected Sir/ Madam,
This is to most humbly inform you that my name is ________ (Name) and I study in _______ (Class) class of your reputed school having roll number _________ (Roll Number).
I am writing this letter to request you for issuing leave for __/__/____ (Date). I need this leave for mentioned date for ________ (Mention urgent work details). I will be joining back on __/__/____ (Date).
I believe you would consider this as a genuine request, and you will approve the same at the earliest. All pending work would be completed as soon as I get back. I humbly request you to please consider my situation as unavoidable and grant me permission for the same.
________ (Roll Number)