Dear [Name of Teacher/Principal],
I hope this letter finds you in good health and high spirits. I am writing to request a half-day leave for [student's name], a student of [grade] in your esteemed institution, on [date] for [reason].
[Student's Name] has been experiencing [reason] and requires medical attention/personal reasons on the aforementioned date. I kindly request your understanding and consideration in granting them permission to absent themselves for the second half of the school day.
I assure you that [student's name] is a diligent and responsible student who will make up for any missed school work promptly. They will take full responsibility to catch up on any missed lectures or assignments.
I kindly request your permission to allow [student's name] to leave school at [time] on [date]. It would be greatly appreciated if you could inform the school staff of this request so they can accommodate accordingly.
Thank you for your attention and understanding. If there is any further information or documentation required, please do not hesitate to contact me at [contact number] or [email]. I look forward to a positive response regarding this matter.
Yours sincerely,
[Parent's Name]