Developping some kind of working
arrangement with the school involved would make more sense. Work with
them to identify and deal with the offenders at a local level. [...]
Might this call for some sort of bot that watches for IP range warnings
and sends emails to any contacts listed on the talk page for the IP? The
system would take a while to get started, but it seems like it would
help close a feedback loop that is now often slow or broken.
Absolutely. Talking to people is always a good way to solve problems.
It will take a while to build contact lists, but it's always good to
srive for long-term solutions.