The Secret Door

Gabriella Clarke feels a lot of pressure when she is sent to a boarding school for rich kids who just think they're better than everyone else. She makes a new friend who seems really nice named Bree. One day, Gabriella discovers a door under the school's staircase. Everyone says that the place is forbidden. But Gabriella doesn't listen. And she finds a whole new fairytale world with mystical creatures but there is also a dangerous witch that wants Gabriella dead because it turns out that Gabriella is the Princess of Goodness.