Plot hole: During the end the murderer is thrown out the front window of the building. The students leave the building through the front door, but yet there is no body, and that doesn't seem to bother them!
Continuity mistake: When Michelle thinks she is being attacked, she grabs the phone and throws it through the window, and it smashes out all of the glass. Yet as she climbs out, there is an amount of glass which has reappeared in the side ledge.
Continuity mistake: When Sasha is pushed over the banister by the killer, she grabs the corner of the stairs; as she hangs on, her hands change position. In one shot she has one hand either side of the corner. Then she has both hands on the right side, then back again.
Trivia: At the very end of the movie when the new kids are telling the story, they make a sarcastic comment about the killer being the girl from the Noxzema commercials. The girl who played the killer, Rebecca Gayheart, really was the girl from the Noxzema commercials.
Trivia: In the scene where Natalie and Damon drive off to the woods, when the car starts the song that plays for a second before Damon turns it off is the theme song from Dawson's Creek, which Joshua Jackson, who plays Damon, stars in.