Translation of "Prom" in Japanese

Would you go to the prom with me?

私と一緒にプロムに行きませんか？

I won't be able to go to the prom.

私はダンスパーティーに行けない。

Are you really going to ask Mary to the prom?

お前、マジでメアリーをプロムに誘う気なのか？

It was a surprise to see all the students behaving with decorum on prom night.

全生徒がプロムの夜礼儀正しく振る舞っているのを見て驚いた。