What happens outside school hours is up to the parents' responsibility.
Can a fully clothed 15 year old run faster than a nude one?
Are fully clothed 15 year olds stronger than nude ones?
Why won't paedophiles attack fully clothed children?
It's a way of expressing your emotions/freedom, nobody can take that away. Unless you are a nazi, go ahead and confess.
Oh yes, I'm very stupid. Going to school nude is the most logical thing to do during floods like these. It's also handy to take out an umbrella incase another meteor hits.