- Year: 2011
- Genre: Comedy, Horror, Mystery, Sci-Fi, Thriller
- Country: USA
- Language: English
- Time: 95
- Director: Joseph Kahn
- Cast: Josh Hutcherson, Shanley Caswell, Spencer Locke, ...
This comedy/horror movie centers about a group of teens who go to Grizzly Lake High School. When one of their classmates is killed by someone dressed up as 'Cinderhella' (a character from a popular horror movie), they all fall under suspicion, but when they all get detention, they try to work out who it is.