How to dress for a high school dance (girls )<br>Go for a formal gown. If you are attending a formal dance like a winter formal or prom, you should go for a formal outfit. This means a formal dress that is floor length or no shorter than three inches above your knee, with a modest neckline.
neckline modesty is a must
( z1 obligate :ARG2 ( z2 modesty :mod ( z3 neckline ) ) )