[brraverishhh]

If you damaged it - accept the consequences.

If you did not - then please stand up for yourself, deny it, and get them to prove it.
If you are innocent - don't take this sh!t.
A caution goes on your record I believe. Why tarnish your reputation especially by a rowdy ill disciplined 14 year old Chav b*tch who will no doubt bring nothing constructive to society when she is an adult.