OCs in Hogwart!

This is OCs my and my friends in the Hogwart universum!
Jane, OC my friend Eldzia ; Teddy, my OC ; Emily and James, OC my friend Tobi.
They are in the different houses. Jane is in Ravenclaw, Teddy - Gryffindor, Emily and James in Slytherin! But I don't know why. Well... Or I know? :P

I'm sorry for my English ^^'' I'm just learning it.