CELL PHONE BANS: Nebraska is one of the states seeing results from varying degrees of cell phone bans in K-12 schools. Now some states are looking to ramp up the restrictions after initial results.
From Stateline:

As school cellphone bans gain in popularity, lawmakers say it’s time to go bell-to-bell • Nebraska Examiner
States that have passed laws requiring some kind of cellphone policy now are considering going further by mandating daylong bans, even for high schoolers.