Study: US schools with strict cellphone bans in class have not seen higher test scores on average so far, but students reported a greater sense of well-being (Dana Goldstein/New York Times)

Dana Goldstein / New York Times: Study: US schools with strict cellphone bans in class have not seen higher test scores on average so far, but students reported a greater sense of well-being — Cellphone bans got devices out of students' hands, according to the first large study. But behavior and academics have not improved, at least so far.