Maybe he meant that the state isn't going to pay for it. But AFAIK, NJ's large and medium size cities have had police at their schools for years. I even thought Newark had a designated School Police force.
But AFAIK, NJ’s large and medium size cities have had police at their schools for years.
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Many school districts across the country now have their own PDs. A google search may surprise some by showing states/cites with school PDs.