Behind Closed Doors: A Superwholock Fanfiction

Something is going on at Lestrade Boarding School. Something almost... Supernatural. A group of young teenagers, Seniors; Dean Winchester and The Doctor, Juniors; Sherlock Holmes, John Watson and Castiel Novak, Sophomores; Amy Pond and Rory Williams, and Freshmen; Anna and Gabriel Novak and Sam Winchester, join forces...