If you're looking for a great grade this Halloween, the Sexy Prep School Women's Costume is the extra credit that will propel you up to an A+. This naughty girl may not do well in class, but she's certainly doing fine with extracurricular activities. The outfit features a white button down shirt, a short plaid skirt, and a tie. This schoolgirl is the only reason men actually go to school. They'll be studying your body the entire period this Halloween, and who could blame them? You may be violating the school dress code with an outfit like this, but none of the teachers are going to care after looking at you. Avoid detention and failing class by putting on a sexy schoolgirl outfit this Halloween.