This YouTube series explains what media literacy is, its history, and why it's important. I would use this to teach teachers and new librarians. I would also use it to teach media literacy at the secondary level.

iKeepSafe has put out this resource on how educators can implement activities that focus on teaching students digital skills, including protecting personal information. This matrix suggests grade levels to teach certain skills as well as possible activities.

SDPC stands for the Student Data Privacy Consortium. If a district doesn't have a strong vetting procedure in place for online programs/apps, I would recommend teachers start with this source. It allows them to see if and how other districts vetted websites and apps.