Supernatural High

Dean and Sam attend Supernatural High, a high school for all things Supernatural. Along the way, they meet a bunch of colorful characters including the nerdy angel in a trench coat, Castiel, a trickster named Gabriel, and Crowley, the king of the school, who apparently it out to ruin Castiel. Dean/Castiel, Sam/Gabriel, Sam/Ruby, Lucifer/Meg, Michael/Adam.