Question

write a letter to the principal requesting to give your 3 days leave on account of personal reasons

Answer 1

To
the principle
your school name
city (state name)

sub- three days leave

respected sir/madam,
i beg to say that i am your regular student of your school class etc
i have an urgent work so please grant me 3 days leave.

thank you

your obediently
your name
class- ......

Answer 2

6th road
santoshpur kol- 700059
200xx
 To
The Principal
St Joseph's School
santoshpur
place.
subject : 3 days leave on account of personal reasons.
Dear Madam
I am a student of class 8 A.I have two brothers and a sister who also study in this institution. So, there are four of us to be educated.

This is to request to give us 3 days leave of school on account of some personal reasons.I shall be very grateful for a favourable reply of yours

We promise you hard work and good results.
 
thanking you

yours obediently 
   (your name).