Question

one day sick leave application for class second

Answer 1

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To
The Principal
(School Name)
(Address)

Sir,

This is to kindly request you to grant my son ____________ (Son name) a student of class ____________, Section ____________, of your school leave for ____________ (No of days) He is down with high fever and has been advised complete rest by the doctor. I shall be much obliged.

Thanking you,

Yours faithfully, 
(Your Name)

Answer 2

Hello!
To,
The Principal
Your school name
Your school address
Respected sir,
I beg to say that I am a student of class 2nd in your school. I am suffering from fever since last night. Doctor has said me to take rest for one day. So grant me leave from this date to that date.
Thanking you
Your sincerely
Name
Class
Date