To Date xx.xx.xxxx
The Headmaster.
(Put the school address)
Dear Sir
My son ( name) is a student of class …….. sec …….. roll……of your school . On account of illness he could not attend school yesterday, the 5th January 2014
Therefore, would request you to be kind enough to excuse his absence for that day.
Thanking you
Yours faithfully
(Name )
( your address)