I work IT in schools. There is limited surveillance tools on college owned devices. Mainly logging of web traffic. Screens can be viewed when on campus network, not reachable off campus.
No one in our department has time to waste looking at web history or screens. Teachers don’t bother to use it much either. We only look at it when directed by college executive or when I go in there at the end of term to clear the alerts.
I’d imagine most other schools are similar, no one gives a shit what kids are doing on their devices
a private school needs to give the appearance that they do, or at least have this capability when someone asks. On the ground, its barely used