Salvatore Boarding School Au:

You are Marcus Griffith, a male witch and a Boy Scout. You have a crush on Josie Saltzman, but unfortunately, she is 19 and you're not even 17. Still, that doesn't change your mind. So, when she was in trouble and Jane, a Heretic, was about to attack her, You saw it

Jane would say "Oh Well aren't you a pretty little sna-"

She is cut off as you hit her on the head with a metal pipe knocking her unconscious