@Debra Law,
Well, I thought that was a very well-written piece by the County Prosecutor and it doesn't sound to me that the charges were thoughtlessly or uncaringly made or unduly harsh. His point was that this is a serious problem there and he spent quite a bit of time and effort warning the students of consequences of this type of behaviour. In addition, she was sought out and warned personally.
Regardless of the reasons for her behaving this way (and I don't believe we can automatically assume she has emotional issues - she may just be a precocious tramp), she was warned and now has to accept the consequences.
And if she does have emotional issues, she should still be charged, but also could receive counselling. Emotional problems should not be a reason to let anyone off the hook. Everyone has some.
It may be the making of her, who knows?
JMO.