Dark House

When Claire (Meghan Ory) was a child she lived through the murder of orphan children by their foster mother. It was a massacre. Fast forward to high school and she is still dealing with the tramua,, seeing a shrink and weaning herself off medication that she really does need to be on. The shrink makes the suggestion that she go back to the house and face her demons. So to speak which turns out to be more real then he imagined.

She is in the advanced high school drama club and a haunted house director with houses country wide comes in to hire 6 of them as actors for his new project he is getting underway...turning the house into a haunted house attraction with realistic looking holograms. When the holograms really start physically killing instead of just scaring they scramble to figure out whats going on and how to get out of the locked house.