According to data nationwide we've had 74 school shootings since the massacre at Sandy Hook Elementary in Newtown, Connecticut back in 2012.
The numbers are from the group Everytown for Gun Safety. The average school year typically lasts about 180 days, which means there have been roughly 270 school days, or 54 weeks, of class since the shooting at Newtown. Those 74 school shootings average out to more than one shooting every single school week.
The majority of the incidents happened at K-12 schools. According to Everytown for Gun Safety, incidents were classified as a school shooting if a gun went off on campus.
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