Are you looking at system apps? It’s installed as a system app on my phone using GrapheneOS

com.android.devicelockcontroller

Looks like it’s an AOSP app

I believe these types of cameras are used often by the average person. I don’t believe the average person would know how to set up a VPN

I really don’t understand why schools have this rule (at least in many places in the US). Are they trying to teach you to not practice self defense and just let it happen? Doesn’t sound like a great thing to teach.