I think a good step towards the school would be forcing bootloader unlocking to be available. Just like any other computer allow people root access to their own devices. This opens up the ability to install any operating system A user desires.

Not worth it. You will end up playing the h support when something goes wrong.

This is a good explanation.

Search how not hard. DNS to pick a provider you trust.

Something about boiling a frog

Signal shot it’s self in the foot removing sms capabilities. Tragic.