The astronomical price tag may be keeping some high schoolers from participating in one of the most memorable social events of their youth: prom. According to a 2012 Visa survey, the average cost of prom is at an all-time high. Parents are expected to shell out big bucks to make this one-night event happen for their child, but most are scrambling to do it. CouponCabin takes a look at what today’s prom costs are and finds some helpful tips to help your teen save on the big day.