>>16339239 PB
>Schools have found success in controlling access to facilities during class time.In fact, over 95% of US schools follow this practice.
Schools are like prisons for kids.
They are not limiting access to the building to keep out would-be shooters.
They are limiting access to the building because they don't want parents just popping into their kid's classrooms to see what's going on. Parents have to go thru the office first.