When does Tower Prep return?

The series centers around "Tower Prep", an isolated boarding school for teenagers with supernatural abilities. The protagonist (Ian Archer) and a group of friends (Gabe Forrest, Suki Sato, and CJ Ward) are unwilling students at the institution, with no memory of how they got there. Throughout the series, they explore the mysteries of Tower Prep in the hope of escaping and returning to their normal lives. The series was canceled by Cartoon Network in December 2011.
The series centers around an isolated boarding school for teenagers with supernatural abilities. The protagonist (Ian Archer) and a group of friends (Gabe Forrest, Suki Sao, and CJ Ward) are unwilling students at the institution. Throughout the series, they explore the mysteries of Tower Prep in the hope of escaping and returning to their normal lives.