A ban on students using smartphones took effect Tuesday in the Los Angeles Unified School District. The nation’s second largest school district voted 5-2 in June in favor of the ban on using cellphones,

Illinois was way ahead of the curve on the issue, but it then backpedaled. Legislation banned cellphones as early as the 1990s when cellular devices were new, expensive and though

Cellphones must now be put away or locked away during the school day in the nation's second-largest school system. So far, most students seemed to be complying.