In most jurisdictions, cities have no say in this question. Schools can ban cell phones on school grounds, during business hours, that's it. Everything else is

In most jurisdictions, cities have no say in this question. Schools can ban cell phones on school grounds, during business hours, that's it. Everything else is mostly a question of at least state if not national legislation. So, no, it's not gonna happen. The US might be different, the amount of stuff a school board, for one single school, HOAs or city councils can legislate is just mind boggling sometimes.