What if hermione went to ravenclaw and harry went to slytherin? this what it had to say (google) Hermione: However, she probably wouldn't have many close friendships since she isn't really a social person, and she probably wouldn't be friends with Harry or Ron either. She probably wouldn't have ended up getting married to anyone either, and probably would have ended up becoming Minister of Magic. Harry: In short, Slytherin's inner dynamics would have completely changed and there would probably have been a civil war within the house, as those loyal to Harry Potter clashed with the more traditionally evil students.
