School Formal Letter Format: How to Write One Correctly

Formal letters carry marks in English exams from Class 6 onwards, and they carry consequences outside the exam hall too. A request for a bonafide certificate, permission for a school trip, an application to the sports coordinator or a complaint about a broken laboratory tap all go through the same structure.

The structure is fixed, which is what makes it learnable. Once a student knows the seven parts and the order they appear in, the only variable left is the content of three short paragraphs. This guide covers the parts, the two accepted layouts, the language rules, and three worked samples for different purposes.

What Counts as a Formal Letter in School

Any letter written to someone in an official role rather than to a friend or relative. In a school setting, that covers letters to the principal, the class teacher, a subject coordinator, the school office, the librarian, the transport in-charge, and occasionally an external body such as a municipal office during a civics project.

The informal letter, written to a cousin or a friend, follows a different and much looser structure. Exam papers usually specify which one is expected, and writing the wrong type costs most of the marks even when the content is good. Teachers in the best schools in Bangalore typically drill the distinction in one lesson and then assess it repeatedly, because the error is easy to make under time pressure.

The Parts of a Formal Letter, in Order

Seven parts, always in this sequence.

Sender’s Address and Date

The writer’s address goes at the top left, followed by the date on the next line. In school letters written by students, the sender’s address is often replaced by the class and section, since the school already holds the address. Write the date in full: 14 October 2026, not 14/10/26.

Receiver’s Details

Begin with To, then the designation on the next line, then the institution and city. For example: To, The Principal, New Horizon Gurukul, Panathur Main Road, Bengaluru. Use the designation rather than a personal name unless the letter is specifically directed at an individual.

Subject Line

One line, stating the purpose without a full stop at the end. Subject: Request for permission to organise an inter-house quiz. A good subject line lets the reader decide in three seconds what the letter needs, which is the whole point of writing it formally.

Salutation

Respected Sir or Respected Madam for a principal or teacher. Dear Sir or Dear Madam is acceptable for an external office. Never use a first name.

The Body in Three Paragraphs

The first paragraph identifies the writer and states the purpose. The second gives the necessary detail: dates, numbers, reasons, specifics. The third makes the request and closes. Three paragraphs is not a stylistic preference; it is what examiners mark against, and it also happens to be the clearest way to organise a request.

Complimentary Close and Signature

Students writing to a teacher or principal use Yours obediently. Letters to an external office use Yours faithfully when the recipient is not named and Yours sincerely when they are. Below that, sign, then print your name, class, section and roll number.

Block Format Compared With Indented Format

Two layouts are accepted in Indian school exams. Block format has become the default because it is faster to write and harder to get wrong.

Feature	Block format	Indented format
Paragraph start	Flush with the left margin	Indented by one tab
Alignment	Everything left aligned	Address and date may be right aligned
Punctuation	Open, minimal commas in the address	Closed, commas at the end of address lines
Spacing	One blank line between blocks	Blank line plus indentation
Common use	Most CBSE and ICSE papers today	Older textbook models

Pick one and stay consistent within a single letter. Mixing the two is a more common reason for lost marks than any error in the content itself.

Tone and Language Rules

• No contractions. Write cannot, not can’t.
• No slang, emojis or messaging shorthand, including in email versions.
• Passive constructions are acceptable but should not dominate. I request you to grant is clearer than It is requested that.
• Give exact figures. Write 32 students of Class 8 A, not a large group of students.
• One request per letter. A letter asking for three unrelated things gets acted on for one of them.
• Keep the whole letter between 120 and 150 words unless the paper specifies otherwise.

Length discipline matters more than vocabulary. A short, precise letter reads as competent; a long one reads as padded, which is exactly how it is marked. Among schools in Bangalore that follow the CBSE pattern, the word limit is usually printed in the question, and exceeding it by a wide margin is penalised.

Three Sample Letters

Sample 1: Permission for an Inter-House Event

To, The Principal, New Horizon Gurukul, Panathur Main Road, Bengaluru 560087

Date: 14 October 2026

Subject: Request for permission to hold an inter-house science quiz

Respected Madam,

I am Aditya Menon, Head Boy and a student of Class 11 A. The science club would like to organise an inter-house quiz for students of Classes 6 to 9.

We propose to hold it in the auditorium on 28 November 2026 between 10.00 am and 12.30 pm. Four teams of three students each will take part, and two teachers from the science department have agreed to frame the questions and judge the rounds. No funds are required beyond printing and refreshments, which the club will cover from its existing budget.

I request you to kindly grant permission for the event and allot the auditorium for that morning.

Yours obediently, Aditya Menon, Class 11 A, Roll Number 4

Sample 2: Request for a Bonafide Certificate

To, The Principal, New Horizon Gurukul, Panathur Main Road, Bengaluru 560087

Date: 6 January 2027

Subject: Request for a bonafide certificate for a passport application

Respected Sir,

I am Nandita Prasad, a student of Class 9 C, roll number 27. I am applying for a passport and have been asked to submit proof that I am currently enrolled in this school.

I request you to kindly issue a bonafide certificate stating my name, date of birth, class and year of admission. I have attached a copy of my school identity card and my previous report card for verification. I would be grateful if the certificate could be issued by 15 January 2027, as the appointment is scheduled for 18 January.

Thank you for your consideration.

Yours obediently, Nandita Prasad, Class 9 C, Roll Number 27

Sample 3: Reporting a Maintenance Problem

To, The Administrative Officer, New Horizon Gurukul, Panathur Main Road, Bengaluru 560087

Date: 22 August 2026

Subject: Broken water cooler on the second floor

Respected Madam,

I am Faizal Ahmed, a student of Class 10 B and the class representative for this term. The water cooler outside Room 204 has not been dispensing chilled water since 18 August.

Around sixty students from Classes 9 and 10 use it during the two short breaks, and they are now walking down to the ground floor, which takes most of the break time. The tap also drips continuously, leaving the floor wet near the staircase.

I request you to kindly arrange for the unit to be repaired at the earliest.

Yours obediently, Faizal Ahmed, Class 10 B, Roll Number 11

Errors That Cost Marks in Exams

• Writing the receiver’s details before the sender’s address
• Leaving out the subject line entirely, which is worth marks on its own
• Ending with Yours faithfully in a letter addressed to the principal by name
• Using a salutation and sign-off from different registers, such as Dear Sir with Yours obediently
• Adding a fourth and fifth paragraph and crossing the word limit
• Writing the date in numerals only, which is ambiguous across date conventions

The top schools in Bangalore usually hand back the first formal letter with the format marked separately from the content, precisely so that students see which of the two lost them the marks.

Key Takeaways

• A formal letter has seven parts in a fixed order, from sender’s address to signature.
• Block format is the practical default and should not be mixed with the indented layout.
• The body runs to three paragraphs: identify and state, explain with specifics, request and close.
• Students sign off with Yours obediently; Yours faithfully is for unnamed external recipients.
• Keep the letter between 120 and 150 words and make only one request.

Conclusion

The format is worth memorising once because it barely changes afterwards. The same seven parts appear in a college application, a leave request at a first job and a complaint to a bank. Students at gurukul schools in Bangalore who practise it with real purposes, such as an actual permission request for a club event, tend to retain the structure far better than those who only ever write exam answers with imaginary addresses.

Frequently Asked Questions

What is the correct order of parts in a formal letter?

Sender’s address and date, receiver’s details, subject line, salutation, body in three paragraphs, complimentary close, and signature with name and class.

Should I use Yours faithfully or Yours obediently?

Students writing to a principal or teacher use Yours obediently. Yours faithfully is used when writing to an unnamed external official, and Yours sincerely when that official is named.

How long should a school formal letter be?

Between 120 and 150 words of body text unless the question paper specifies a different limit. Three short paragraphs cover almost every purpose.

Is a subject line compulsory?

Yes in a formal letter, and it usually carries marks separately. Keep it to one line with no full stop.

Can a formal letter be sent by email?

Yes. Move the subject line into the email subject field, drop the sender’s postal address, and keep everything else identical.

What is the difference between a formal and an informal letter?

A formal letter goes to someone in an official role and follows a fixed structure with a subject line. An informal letter goes to family or friends, has no subject line, and uses conversational language.

Should the date be written before or after the address?

After the sender’s address, on its own line. Write it in full, such as 14 October 2026.