More schools are banning cell phones. The academic benefits haven’t materialized

Despite growing support for phone-free classrooms, recent research finds virtually no effect on test scores and little change in other measures.

School cell phone bans aren’t as new as you might think. While a growing number of states have adopted them over the past three years, the practice dates to 1989, when Maryland prohibited the devices (and pagers) in an attempt to limit in-school communication among students who may........

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