Subject = Request one day leave for urgent place of work.
Respected sir / madam
With due to respect, I beg to state that . I am a student of class = () in your school. I have required one day because of piece of work in the city. I need to accompany with my grandma for shopping regarding to upcoming weeding in my family.
Dear Sir/Mam, I am (Your Name), student of (Class And Section). I would like to bring to your kind attention that due to (Mention your reason) I will unable to come to school for next (Number Of Days). I request you to kindly provide me with leave for (Number of days) from (start date) to (end-