The Class Teacher,
_______ (School Name)
_______ (School Address)
Date: MM/DD/YYYY (Date)
Subject: Apology for missing exam
Respected Sir/ Madam,
I would most humbly inform you that my name is _________ (Name) and I am a student of __________ (class).
I write this letter in order to inform you that I was absent yesterday and missed the exam for ______ (subject). I had to ________ (mention reason) due to which ______ (mention you point). I sincerely apologize for missing the exam, but the situation was unavoidable.
I hope you will consider my situation and I assure you that this will not happen in future.
_________ (mention your name)
_________ (roll number)