Factual error: The light switch in the dressing rooms, when John is getting ready to exit, shows a new type switch that was only brought out after 2005. The switch is by the clothes rail.
Continuity mistake: When the crazy 8 go for their first night swim, they are dry when they get to the chapel on the way back, yet when they get into their dorm, they are semi-wet.
Revealing mistake: When John gets his "birthday wishes" from the crazy 8, you can see he is wearing a black pair of jocks under his sleep shorts.
Factual error: The outside light by the sick bay is a new energy saver light, which was not in existence in 1994.