Explain
The Principal,
(name of the school)
(address)
Dear Sir/Ma'am,
Sub: Invitation to Judge the dance competition of our school
Body: My name is (name). I am pleased to invite you to our dance competition. As you are already aware that we will be conducting the dance competition on (date) at (time) in the school auditorium and would appreciate if you could judge the event.
We would be honored to have you as our chief guest and judge and look forward to seeing you on (date).
Thanking you
Yours Sincerely,
(name)
(Class)