Can I ask what type of school, and do you know if this is commonly done? The main difficulty I have with restricting phone use is that these days it can entirel

Can I ask what type of school, and do you know if this is commonly done? The main difficulty I have with restricting phone use is that these days it can entirely isolate the kid socially. If the kid had a good number of friends who knew how to interact without in person I'd be a lot more comfortable.