Bad guys

Except that wasn't his main goal it was to kill mugger borns and muggles or at least deny them education.Also Darth Vader wasn't the leadER Palpatine was.

Well he nearly won the first war

*and committed genocide but whatevs

well..... snape was headmaster and was sort of doing some things voldy told him.. so.. voldemort sorta took over hogwarts? also those two death eaters in the book control the school for him too at one bit so he sort, of sort of didn't control the school??

Highschool of wizards too