Georgia school shooting highlights fears about classroom cellphone bans

Huddling for safety in classrooms as gunfire rang out, students at Apalachee High School texted or called their parents to let them know what was happening and send what they thought could be their final messages. One student texted her mother to say she loved her, adding, “I’m sorry I’m not the best daughter.”

The Georgia school shooting that left four dead and nine injured last week was every parent’s worst nightmare, and one that highlights potential downsides to efforts among states...