Respected Sir/ Madam,
I am _________ (name) and I am a student of _________ (class) of your reputed school having roll number __________ (roll number). I write this email to bring to your consideration that I am in need of bonafide certificate in my name for _________ (mention purpose – passport/ admission/ transfer/ any other).
Therefore, I request you to kindly issue the bonafide certificate at the earliest. I shall be highly obliged for your kind support in this regard.
__________ (Your name),
__________ (Roll number)