I can't remember the name of a sorority/fraternity horror movie I watched in the late 80's. I assume it was made in the 80's. I don't remember any of the actor's names or faces, but here is the general plot. A university sorority or fraternity host a party (Halloween, I believe, cause everyone was dressed in costume) at a local haunted house. Everyone is eager to have the party at this locale, except one young woman. Over the course of the evening, partygoers go missing and end up dead. The people who didn't believe the house was haunted ended up dead, but the woman who believed ended up being posessed by the demon inhabiting the house. For some reason, I THINK (but not sure) the young woman's (character) name was Beth. Does anyone remember this movie at all? It is not "Night of the Demons"-I've already checked. Possibly "Killer Party." Has anyone seen this one? Does it fit my description?

Thanks

Killer Party, Girl School Screamers. It kind of fits several movies