A bigger problem is school sponsored spyware on the devices. Weird how they don't mention that:
https://www.eff.org/wp/school-issued-devices-and-student-privacy
https://time.com/7275031/spy-high-true-story-prime-video/
https://www.theguardian.com/world/2010/feb/19/schools-spied-on-students-webcams