Why doesn't somebody DO SOMETHING about school mass shootings?

The US Secret Service, probably the only agency not infested with corrupt Swamp Democrats, has written a thorough report called Averting Targeted School Violence. Rather than whining about more gun control, school authorities should read this. But they won't because they want simple virtue signaling answers, not actual solutions.
https://www.secretservice.gov/sites/default/files/reports/2021-03/USSS%20Averting%20Targeted%20School%20Violence.2021.03.pdf
Why doesn't somebody DO SOMETHING about school mass shootings?
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