Write an application to principal for 5 days due to health issues

The Principal
XYZ School

Subject: Application for five days due to health issues

Respected Sir/Madam,

I am writing to you to seek your permission to be absent from my classes for five days due to health issues. I am a student of grade 9 in your school, my name is [Name]. I am suffering from severe fever and body ache which is making it difficult for me to attend classes. Hence, I request you to grant me leave for five days starting from [date].

I understand the importance of my studies and I will ensure to cover the missed lessons. I am attaching my medical certificate as proof of my illness. I will be grateful if you consider my application and grant me leave.

Thanking you for your kind consideration.

Yours sincerely,
[Name]