One Day Leave Application for School and Office (12 Samples)
Updated
A one day leave application for school, college and office, with 12 short samples, subject lines and a fill-in version.
A one day leave application is a short, formal request for leave on a single date. Students address it to the class teacher or principal, and employees send it to their manager or HR. State the exact date, one clear reason and, at work, who will cover your tasks. Keep it under 80 words and submit it a day in advance whenever possible.
Below you will find the format, a fill-in letter, 12 samples for common reasons and the subject lines that work best.
Key Takeaways
- Mention the exact date, for example “on 20 October 2026 (Tuesday)”.
- Give one honest reason in a single sentence.
- Students write to the class teacher; employees write to the reporting manager.
- Apply a day in advance; for emergencies, inform the same morning and submit the letter later.
- Close with “Yours obediently” (students) or “Regards” (office).
One Day Leave Application Format
| Part | School | Office |
|---|---|---|
| Receiver | The Class Teacher / The Principal, school, city | Reporting manager or HR, company |
| Date | Date of writing | Date of email |
| Subject | Application for one day leave | Leave request for (date) |
| Salutation | Respected Sir/Madam, | Dear Mr./Ms. (Name), |
| Body | Name, class, roll number, reason, date | Reason, date, work cover |
| Closing | Yours obediently, name, class | Regards, name, employee ID |
Class teacher or principal?
Most schools let the class teacher approve a single day. However, some schools ask for the principal’s approval before exams or during events. Check your school diary, which usually lists the rule.
Write Your One Day Leave Application
Fill in the fields on the right. The letter updates as you type, and you can copy, print or save it as a PDF.
To,
[The Class Teacher],
[School name],
[City]
Date:
Subject: Application for one day leave
Respected Sir/Madam,
I am [your name], [a student of Class VI-A]. [I have to attend my cousin’s wedding], so I will not be able to attend [school] on [leave date].
Kindly grant me leave for one day. [I will complete the missed work on my return.]
Thanking you.
Yours obediently,
[your name]
[a student of Class VI-A]
12 One Day Leave Application Samples
Samples 1 to 7 suit school and college. Samples 8 to 12 suit office. Change the names and dates, and keep the structure.
1. For a family function
To,
The Class Teacher,
Class VII-B,
Kendriya Vidyalaya, Dehradun
Date: 15 October 2026
Subject: Application for one day leave
Respected Madam,
I am Ishita Rawat of Class VII-B, Roll No. 11. I have to attend my elder sister’s engagement ceremony on 16 October 2026.
Kindly grant me leave for one day.
Thanking you.
Yours obediently,
Ishita Rawat
2. For fever
To,
The Class Teacher,
Class IV-A,
St. Paul’s School, Ranchi
Date: 15 October 2026
Subject: One day leave due to fever
Respected Sir,
I am Arnav Kumar of Class IV-A. I have a fever since last night and cannot come to school today, 15 October 2026.
Kindly grant me leave for one day.
Yours obediently,
Arnav Kumar
3. For a doctor’s appointment
To,
The Principal,
Delhi Public School,
Vadodara
Date: 15 October 2026
Subject: Leave for a dental appointment
Respected Madam,
I am Heer Shah of Class IX-D, Roll No. 22. I have a dental surgery appointment on 16 October 2026 at 10 am.
Therefore, kindly grant me leave for that day.
Yours obediently,
Heer Shah
4. For going out of station
To,
The Class Teacher,
Class V-C,
Army Public School, Jalandhar
Date: 15 October 2026
Subject: One day leave application
Respected Sir,
My son, Jaskaran Singh of Class V-C, will travel with us to Amritsar on 17 October 2026 for a family matter. We will return the same night.
Kindly grant him leave for one day.
Yours sincerely,
Gurpreet Singh (Father)
5. For a religious ceremony
To,
The Class Teacher,
Class VIII-A,
Sarvodaya Vidyalaya, Madurai
Date: 15 October 2026
Subject: Leave for a family puja
Respected Madam,
I am Kavya S. of Class VIII-A. My family has organised a puja at home on 16 October 2026, and I have to be present.
Kindly grant me leave for one day.
Yours obediently,
Kavya S.
6. For a college student (competitive exam)
To,
The Head of Department,
Department of Physics,
Fergusson College, Pune
Date: 15 October 2026
Subject: One day leave for an entrance examination
Respected Sir,
I am Omkar Joshi of M.Sc. Part I, Roll No. 1709. I have to appear for a national-level entrance examination on 18 October 2026 at a centre in Mumbai.
Therefore, kindly grant me leave for that day. I have attached a copy of my admit card.
Yours obediently,
Omkar Joshi
7. After an unplanned absence
To,
The Class Teacher,
Class X-B,
Holy Cross School, Agartala
Date: 16 October 2026
Subject: Leave for 15 October
Respected Madam,
I could not attend school yesterday, 15 October 2026, because heavy rain flooded the road near my house.
Kindly grant me leave for that day.
Yours obediently,
Rohan Debbarma
Class X-B
8. Office: personal work
Subject: Leave request for 16 October
Dear Mr. Iyer,
I request one day of leave on 16 October 2026 for urgent personal work at my bank and the passport office.
I have completed the weekly report, and Priya will handle any client calls. I will be available on phone for anything urgent.
Regards,
Deepa Menon
Emp. ID 2291
9. Office: sick leave
Subject: Sick leave for today, 15 October
Dear Ms. Arora,
I am unwell with a fever and cannot come to the office today, 15 October 2026. I request one day of sick leave.
Rahul has access to the shared tracker and can reply to urgent emails.
Regards,
Nikhil Batra
10. Office: family function
Subject: One day leave request for 20 October
Dear Sir,
My brother’s wedding reception is on 20 October 2026, so I request one day of leave for that date.
I will finish the pending invoices before I leave, and Sameer will cover the front desk.
Regards,
Pankaj Rathi
Accounts Assistant
11. Office: child’s school event
Subject: Leave on 18 October for my child’s school event
Dear Ms. Das,
My daughter’s school has its annual day and parent-teacher meeting on 18 October 2026. I request one day of leave to attend both.
My tasks for that day are shared with Anjali.
Regards,
Sayan Ghosh
12. Teacher to principal
To,
The Principal,
Ryan International School,
Nagpur
Date: 15 October 2026
Subject: One day casual leave
Respected Sir,
I request one day of casual leave on 16 October 2026 to attend my son’s school admission interview.
I have given the worksheets for Classes VI and VII to the substitute teacher.
Yours sincerely,
Rashmi Kale
TGT Mathematics
Subject Lines That Work
| Situation | Subject |
|---|---|
| School, planned | Application for one day leave |
| School, illness | One day leave due to fever |
| School, after absence | Leave for (date) |
| College | One day leave for (reason) |
| Office, planned | Leave request for (date) |
| Office, same day | Sick leave for today, (date) |
Tips for Quick Approval
- Apply early. A one day leave application sent a day before is almost always approved.
- Keep it short. Two or three lines in the body are enough.
- Show responsibility. Promise to complete missed work or name a colleague who will cover.
- Attach proof if needed. Admit cards or appointment slips help for exams and hospital visits.
- Be honest. A real reason builds trust for future requests.
Mistakes to Avoid
- No date. “Tomorrow” is unclear if the letter is read later.
- Wrong closing. Students use “Yours obediently”; employees use “Regards” or “Yours sincerely”.
- Missing class or employee ID. The approver needs it to update records.
Related Leave Formats
For longer illness, see our application for sick leave and leave letter for fever guides. Students can find more school samples in the leave application for school guide, and beginners should read how to write a leave application.
Frequently Asked Questions
How do I write a one day leave application?
Address it to your class teacher, principal or manager. Write the date and the subject “Application for one day leave”. In two lines, give your name, class or ID, the reason and the exact date. Close politely.
Who approves a one day leave in school?
In most schools the class teacher approves one day. Some schools need the principal’s approval before exams or events.
Can I send a one day leave application by WhatsApp?
Many schools and offices accept a WhatsApp message or email for one day. Follow up with a written letter if your school or company requires it.
What is a good reason for one day leave?
Common reasons include illness, a doctor’s appointment, a family function, a religious ceremony, an exam or urgent personal work.
Should I apply before or after the leave?
Apply before whenever possible. For emergencies, inform in the morning and submit the letter when you return.
How long should a one day leave application be?
Keep it between 40 and 80 words. The date and reason matter most.
Before You Send
Check your one day leave application for the date, your name, class or ID, and the closing. More formats are in our leave applications section, and the Letter Generator builds one in seconds.
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