The problem appears to be getting much worse:
About three thousand undergraduate women start their college careers at the University of North Carolina at Chapel Hill each fall. By the time they graduate, nearly half are likely to experience sexual assault or misconduct. A quarter are likely to experience assaults that meet the definition of rape -- and that’s only the women.
Those numbers are based on the anonymous responses of college seniors at UNC-Chapel Hill who participated in the largest survey ever about sexual violence on college campuses.
Not trying to blame the victim here, but: The magic number is 2. While female students may still be vulnerable using the buddy system, the "he said, she said" dynamic is broken. That potentially corroborating witness will discourage most budding rapists, and they will go to great lengths to separate you. You don't go to a party, or leave a party, without your sidekick. Rushing, crushing, pledging, or even going to the fricking library, go with a friend. Lecture over, here's more: