[header] How to dress for prom [title] Pick a dress that is appropriate for your school. [step] Most schools have some sort of dress code that will dictate how revealing your prom dress can be. Check the dress code restrictions about acceptable hemlines, necklines, cutaways, and slits. 
[substeps] Most prom dresses are long formal gowns, but some may have long slits up the leg. Check your school's prom handbook to determine if a gown with a long slit is allowed.