Sorry, Wrong Numbers

Cellphone bans in schools are all the rage. Recently, New York became the fourth state to embark on one, as part of a budget deal for the coming school year. For many adults, the bans make intuitive sense: Who wants kids distracted on their phones while the teacher is teaching? Maybe getting rid of them could even reduce bullying or improve youth mental health? Phone Free New York founder Raj Goyle, while speaking of New York’s prospective ban, claimed, “If you look at the data in schools that have one ... test scores rise, bullying decreases, depression decreases.” But is that true?