Inside the Latest Global Research on School Cellphone Bans
A national study released this month by researchers at Stanford, Duke, the University of Pennsylvania and the University of Michigan analyzed more than 40,000 schools across the country using data from Yondr, a company that makes magnetic locking pouches for student cellphones. The researchers found that cellphone activity at schools dropped sharply after schools adopted the pouches. Cellphone “pings” from...









