National Guard or Regular Military members better trained to deal with combat situations. Less expense as, they are already being payed and can use this as security experience for jobs after military.
Police/Cities are already taxed due to no fault of their own. Some, working 18 hour shifts four days in a row and may create a dangerous situation in schools for police officers over worked and not able to recognize a safe situation. There have been instances in my town with police officers shooting mentally ill that were not of danger.
Protecting our children is a Federal subject and should be done by the most capable. It would be