Eric, From the viewpoint of a parent (one in elementary and one in middle school), I can tell you that the elementary is becoming like Fort Knox (you have to buzz from outside, where a camera is installed to look you over to decide if they'll let you in...meanwhile, MY daughter is inside!).
It's less welcoming, less accessible for a parent to get to their child if there were an emergency, and I also believe a waste of resources! I am a survivor of CSA with an ACE Score of 4. The VERY LAST THING I want is to see my kids in any school where I have LESS (not MORE) access to them. I'm saying this as a parent who has complained about a certain employee doing inappropriate things w/kids during school hours only to be royally pounded at my outrageous claim (and over the summer, my daughter told me she does not trust this person - so I've given her permission to SCREAM and RUN for a trusted adult if he EVER makes her feel uncomfortable/strange/isolated/or touches her). NONE of this sits well with me. And oh by the way, someone in the front office has been talking to other staff members about having gone to a gun show and thinking she might buy a gun! This is devastating news (I was told in secrecy). There is a growing sickness in the way adults think about "safety" and the media is definitely fueling the fire, meanwhile, reality is being ignored.