They mandated prison-style policies at my alma mater, which is one of the nation's top public schools, as part of a blanket policy for the county. It was clearly not a good fit for that particular school, and my observation was that incidents rose after. I was speaking partially from that anecdote, and remain convinced that prison-style discipline is the issue (even if it precedes metal detectors).

Also, you might not be on the right website.