Earlier quoted context omitted.
Up/down up/down, if you disagree say so. Do you take offense at my suggestion this kid did nothing wrong ? Why is that ? Enlighten me, for all I have read above the sysadmin is the person in the wrong, if a 13 year old can walk all over your system you ought to be looking for a job (and one that does not include system administration).
He didn't do any major damage What do you mean he didn't do anything wrong? If all he did was find a way into their systems and report his findings of insecurity or something, certainly there would be nothing wrong with that (as long as he's following his terms of use for the school computers, also -- he's held to the rules of the school as a student). But it appears as if he's done something, maybe he didn't report…
I'm assuming that this kid is just as curious as any other kid at that age, and the systems should be set up accordingly.
This is trying to close the gate after the horse has bolted, ok, so he looked, big deal. Now catch up on the educational bit about privacy and minding your own business, case closed.
No need to make an issue out of it. The overreaction in these cases does more damage than the event itself.