(There has to be a better solution than “pistol packing principals…” – promoted by countrycat)
Many school boards are quietly discussing various ways and means to prevent more mass murderers from taking the lives of more American children.
Texas has already begun serious discussion of having armed, trained teachers as the first line of defense against a lone shooter. I say we need to temper safety with maintaining a normal environment and reasonable precautions. The chance of any school having a gunman go on a spree is undoubtedly smaller than its chance of getting hit by lightning.
I think I have a better idea than armed teachers: let's wire the schools like banks with concealed panic buttons going directly to local police. Have a loud alarm go off, which would let everyone in every part of the building know what's happening. Have more than one button, and keep their locations unknown to the general public.
ABC produced a video together with VPC, where they give inexperienced to fairly experienced regular people a gun and a bit of training. Let's see how they do against a “lone gunman”. The training is more than required by most states for a concealed carry permit.
There are also gunshot sensors available which have been in use by city PD's for some years now: