It's that time of year again when students pack up their books and head back to school. Back to school means a lot of things, and ratchet parties are one of them. From fraternity keggers to high school foam parties (yes, we're a little confused about the legality of this) and some very suggestive schoolgirl themed soirees, back to school parties are advertised everywhere on a campus. We've taken a look at some of the worst flyer designs for school-themed events, many of which advertise slutty halloween costumes and generic flyer themes, giving every party a bad look.

20 Ratchet Back To School Party Flyers