The Haunting Hour: Don't Think About It (2007)

Cassie's life changes when she moves and attends a high school ruled by the most beautiful girl in school, Priscilla, and her beautiful sidekicks. Priscilla immediately takes a dislike to Cassie, and soon it's a battle between the two. But when Priscilla goes missing, along with Cassie's younger brother, Max, Cassie must go on an adventure and search for them before it's too late...