Dear Sir/Madam,
I am writing to apply for a leave of absence from my school. As I have been feeling under the weather lately, I have decided to take some time off to rest and recharge.
I understand that this may cause some inconvenience to my classmates and teachers, but I assure them that I will make sure to return to class as soon as possible. I will also make sure to complete all of my homework and assignments before leaving.
In addition, I would like to take this opportunity to express my gratitude to my parents for their support and encouragement. Without their love and support, I would not have been able to achieve so much in my life.
I hope that you will consider my request and grant me the leave of absence that I need. Thank you.
Sincerely,
[Your Name]