Before the school year, Superintendent Hafedh Azaiez said, “The law is the law and we have to obey the law. The law pretty much says you can’t have your cellphones during the instructional day.

Games and fitness blend in this excellent Fitbit for kids, and it makes calls, too. But Google needs to fine-tune its restrictions. I started with CNET reviewing laptops in 2009. Now I explore ...