College kids go to haunted house to spend the night. Killer is inside the house using passage ways and hidden areas to kill the kids

Not an exact match, but maybe this?
Black Christmas (1974) - IMDb (http://www.imdb.com/title/tt0071222/)

There really are quite a few films that fit into that description. Is there any more that you can remember?

Here's another possibility:

Hell Night (1981) starring Linda Blair

https://en.wikipedia.org/wiki/Hell_Night