英文請假信

(Date)


Dear (Mr/Ms _________ (Principal/Class Teacher)),

I would like to apply for a leave on 21st of December, 2006 because I will attend a graduation ceremony of my old school that day. Enclosed please find the notice regarding the ceremony for your reference.

Yours sincerely,
(Your signature)
(Your name)
(Class No.)

Try this ..

Please excuse XXXXX from attending school on 21st Dec for a graduation ceremony.
Thank you