The Gauntlet (2013)

Three teenage girls, Madison, Chloe and Stella are forced to permanently silence their best friend in order to keep their ancestor's century old supernatural secret. This unravels a series of strange events that will eventually lead to their exposure within the boarding school in which they reside. Furthermore, a strange and suspicious new girl, Alice, has arrived to the school and is determined to uncover their secrets, their very own headmaster is blackmailing them and their dead best friend's boyfriend is trying to discover the truth about his girlfriend's untimely death - but above all - a demonic power lurks in the background waiting for the perfect moment to strike...