A Sub (malec) (In proccess of rewriting)

This is a au fanfiction. When Alec's teacher gets into an awful accident and they have to have a sub. Magnus is a College student who is studying to be a teacher and is taking on being a sub for classes in high school. Alec is normally the kid who gets bullied or is just left out of everything until Magnus comes around and flips everything around. Magnus Will help Alec do things he would never be able to do on his own. Alec is 17 and Magnus is 21