Some students are literally setting themselves up for failure. With heads lowered and devices out, they’ve basically become living lampposts.
Some teachers are experts at recognizing students using smartphones in class. Others are too laid-back. If regulation doesn’t work, I might suggest corporal punishment. Unfortunately, that would end in some legal dispute.
There are so many issues with the misuse of smartphones at school. It’s overwhelming. It has now become the millennial smartphone war.
At the end of the day, are you sure you want to see that “F” when you get off the school bus? I don’t think so.