I totally agree with you about the impact of the technology on young people.
I don’t think this is the answer though. But you know what? I don’t have kids. So my opinion is not as valid as yours. God bless.
Discussion
You don't have to have kids to have an opinion on this. You just have to decide whether you want kids to become people who can do more than work at a Starbucks. It's pretty straight-forward. Personally, I would recommend people not send their kids to govt schools at all. Whatever damage occurs as a result isn't fair to the kids.
The phone can also be an incredible social and learning tool if used properly. Are kids not capable of using them like that?
The problem is that kids have a hard time with self-control. Accessing a device that is loaded up with dopamine traps and not actually launching those programs is part of what creates anxiety. They know things are being said, and they can't handle being so close and not getting their fix. It's similar to addiction. It's better that they use computers that have specific programs. Interestingly, since most kids don't access their social networks on computers, they have a different view of their use cases.