NASHVILLE, Tenn. (WSMV) - Nashville middle schools will soon get weapon detection systems after Metro Nashville Public School leaders voted on a proposal to pilot the expansion of Evolv weapons detection systems on Tuesday night.

The Evolv weapon detection scanners were added to all MNPS high schools earlier this year following the deadly Antioch High School shooting.

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The initial contract cost the district around $1.25 million per year to install and operate the scanners at all high schools. The expansion to middle schools would cost $1.125 million per year, according to the contract .

MNPS officials said the middle school systems would be similar to the systems operating at high schools, but declined to go into

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