McGonagall had been appointed headmistress of Hogwarts, and a directive had been issued for all students to repeat their existing year at the next term. It had been determined that the students’ education during Snape’s stint as headmaster was not up to Hogwart’s usual standards, what with the Death Eaters roaming the halls and the curriculum’s focus on the Dark Arts. The decision had also helped those forced into hiding during the deplorable Muggle-born Registration Act of Dolores Umbridge and her supporters.