Not Your Average High School AU (Destiel)

With Lucifer planning to create "hell on earth", Heaven decides to solve the problem with a bit of an unorthodox solution: a high school for hunters. Dean, Sam, Castiel, and many other hunters and angels attempt to navigate this very different sort of school. Will Dean and Cas finally realize their feelings for each other? Will Gabriel stop flirting with students? Will Sam forget the pie? There's only one way to find out.