2) This podcast which talks directly about the security woes of schools. It's more higher-ed than k-12 but we get a nod and a fare number of useful tidbits: https://wiki.securityweekly.com/BSWEpisode155
(for reasons not clear to em yet, the audio file is not on the page, so you may have to get it through your favorite podcasting source/app)
Joshua Bierman Director of Technology Yeshivat Noam