Question

write a letter to the principle seeking change of section ( format ) .

Answer 1

To 
The Principal
(School Name)
(Address)

Madam,

I am a student of class ____________ of your school. I shall feel obliged if you kindly allow me to change my section from A to B. This change will help me in many ways.
I have many friends in section B. They are the residents of the same place where I live. If I am transferred to section B, we can do our home-task together. That way I will be in position to do much better in my studies. I am sure; you will be kind enough to grant my request. Thanking you,

Yours obediently, 
(your Name)
(Class)
Roll No ____________

Answer 2

(Your address),

Date

(Address of School),

Ms./Sir (Principal's name),

The Principal of (name of School),

(Greeting) Examples: To whom it may concern,/ Good morning Miss/ Sir,

Body: Start with purpose of letter (1 st para), then go into explaining what you want and also giving reasons why ( middle paragraph(s), then close thanking for time/ consideration etc. ( conclusion)

Ending such as: Sincerely, Your truly, etc.

(Your signature)

(Your full name),

Student of (name of School and also state which class)