Teen Titans Academy Vol. 1: X Marks The Spot

"Nightwing, Starfire, Raven, Beast Boy, Cyborg, and Donna Troy are the teachers at [Teen Titans Academy], and will pass along their knowledge to the young recruits looking to learn how to use their powers to reach their full potential. Meet the student body: a new Australian Speedster who runs on prosthetics, a trio of Batman-obsessed Goth kids from Gotham, a teen expatriate from Gorilla City and a kid who's possibly the anti-Christ. Plus, Billy Batson has enrolled to master his powers as Shazam. But the big mystery is the which member of this first class is the mysterious Red X"--