The head master before Dumbledore was Armando Dippet.
The school's Head Master
Snape
yes he is the head master but it should be the deputy
Minerva McGonagall becomes Headmistress.
Professor Severus Snape Head of Slytherin House Was in Slytherin Potions Master at Hogwarts Played in the films by actor Alan Rickman
Professor Filius Flitwick is the Charms Master and the head of Ravenclaw house at Hogwarts School of Witchcraft and Wizardry. He taught Harry, Ron and Hermione the spell 'Wingardium Leviosa' in Harry Potter and the Philosopher's/Sorcerer's Stone.
Professor Flitwick is the Head of Ravenclaw.
Minerva McGonagall becomes the headmistress for a short period of time before she retires. It is unknown who became the head after her and she was gone before Harry Potter's children were at the school.
Rubeus Hagrid was in Gryffindor at Hogwarts School of Witchcraft and Wizardry. Hagrid was in the Gryffindor house.
No. Harry does not run Hogwarts. McGongall serves as Head. Who took over after her is unknown.
Professor McGonagall takes the place of the Head of Hogwarts after the death of Dumbledore, however when Hogwarts is taken over by the Death Eaters, Severus Snape takes over as head and Minerva McGonagall resumes her old position as Deputy. *** Faerie0975: But then who is the deputy when Harry and Ginny's kids, and Ron and Hermione's kids, etc., go to Hogwarts??
Snape becomes head master and controls the school with two other death eaters Alecto and Amycus while Voldemort tracks down Harry Potter.