you think school districts pay their IT departments enough to deal with that shit? If they even have one, at least here in Texas a lot of schools just hire random dudes to come in every so often
Even if you manage to get the chromebook into developer mode and put a new BIOS to install Linux through USB theres something baout the chromebook firmware that doesn't like it. I installed Zorin on my personal chromebook and after 2 weeks the hard drive got randomly wiped.