Just 13% of the state's districts have chosen to block holders of a concealed handgun license to carry weapons onto public property where possessing a gun would otherwise be a felony.

In the aftermath of Columbine, Parkland, Sandy Hook and the nearly 1,000 other school shootings since 2012, advocates for nationwide gun control measures have run into political realities that have stopped these efforts from moving forward.

The aim is to scan all sixth through eighth graders at least once before the end of the school year. Scans will happen with handheld wands or metal detectors by district safety officers in the presence of at least one school leader.