____________ (Name of the school)
Subject: Letter of apology for ________ (mention what are you apologizing for)
I would like to inform you that I have been working in your school i.e. _________ (school name) as a subject teacher for ________ (subject name) for _______ (mention class) class.
I write this letter in order to apologize for being absent from my job for _____ (mention number of days) from __/__/____ (date) till __/__/_____ (date). The reason behind me being absent from my job suddenly was __________ (mention reason – demise of relative/ had to go out of town on urgent basis/ personal reason/ unwell/ any other).
It is to request you to kindly accept my sincere apologies. I ensure such activities will be prevented in the coming future.
_____________ (contact number)
_____________ (employee ID code)