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.
Both the hem height and the decolletage are relevant here.
( z1 relevant :ARG1 ( z2 and :op ( z3 high :ARG1 ( z4 hem ) ) :op ( z5 decolletage ) :mod ( z6 both ) ) :location ( z7 here ) )