The FBI examined 160 active shooter incidents (Active Shooter Incidents in the United States 2000-2013. "Most of the time, if you’re talking about a civilian stopping a mass shooter, it’s the unarmed guy without the gun because they're right there,” John Donohue, a law professor at Stanford University, co-author of a National Bureau of Economic Research study that examined how gun violence.I know there are communities of parents who believe in more guns in schools. They will bully, argue and leverage money obtained by the state to get armed teachers and/or School Resource officers.
At the same Town Hall in Florida, Brevard County Republican Thad Altman,was asked what informed his vote. Were there any studies that supported the idea that adding more guns in schools will make it less likely that people will be shot. Altman, couldn't, so he turned to Russia and the Beslan school hostage crisis and massacre carried out by armed Islamic militants, mostly Ingush and Chechen. His conclusion was:Based on what I've been seeing, the pro-gun crowd will use all their tools and tricks to get more people with guns in schools while ignoring the consequences and costs.
"They [the Russians] have stopped that by adding more weapons and security in their schools." Link 34:30