Here are some scary statistics related to prom season:
-Teen traffic deaths during prom season weekend are higher than at any other time of the year.
-An American Medical Association study reported that 10% of parents believed it was appropriate and safe for underage teens to attend both prom and graduation parties where alcohol is served, if a parent is present.
-Most date rapes and sexual assaults against girls are alcohol and drug-related.
-A U.S. Department of Health and Human Services national survey reported 39% of high school senior boys considered it acceptable to force sex on a girl who is intoxicated by alcohol or high on drugs.
Read more stats along with suggestions on how to talk to your teen about prom at: http://www.huffingtonpost.com/carleton-kendrick/prom-death-and-sexual-assault_b_3115940.html?utm_hp_ref=parents-teens 
What are your rules when it comes to prom night? Do you host a gathering, or allow your child to stay out all night? Would it make a difference if was parent supervised, even at a hotel?
Also, what's your dollar limit on how much you'll contribute to prom costs?