Darkwood Manor(2011)

When Dorothy Stringer High School announces it is to close, all hope seems lost. That is until one of the students finds a flyer on the street offering a reward to anyone who can spend two nights in Darkwood Manor. But when the intrepid group of volunteers and their form tutor arrive at the manor it quickly becomes clear that the resident evil is not a ghost after all and, one by one, they start to disappear...