A large study examining school cellphone bans found results that are mixed: the policies appear to reduce students’ access to devices, but early measures have not shown improvements in student behavior or academics. The report represents among the first sizable evaluations of bans at scale, moving the debate beyond anecdote. While the study indicates bans can get devices out of students’ hands, it reports that measurable outcomes—behavioral climate and academic performance—did not yet improve “at least so far.” The finding is likely to affect how districts justify enforcement costs, instructional disruption, and policy scope. For campus and district leaders, the key issue is timing: the study suggests early implementation may change access without immediately changing learning or conduct. The reporting also increases pressure on districts to pair any digital-distraction policy with stronger classroom and student support strategies rather than relying on bans alone.