We love to send superheroes to school. The X-Men came together at Charles Xavier’s School for Gifted Youngsters. The Fantastic Four’s Future Foundation and at least three academies — the short-lived Teen Titans, the magically inclined Strange, and the comic book series-turned-Netflix-hit Umbrella — all riffed on that idea and admitted protégés too. Though they aren’t formally superheroes, Harry Potter and his friends go to Hogwarts, while Miss Peregrine’s Home for Peculiar Children and Brakebills University for Magic Pedagogy (featured in The Magicians) function similarly. They are all part of an extremely common trope. These stories have a lot in...