Back-to-school gun violence was highest on record. Active shooter drills may not be the answer.

Students adjusting to another school year disrupted by COVID-19 also face a different kind of public-health threat: record gun violence.

Between Aug.1 and Sept. 15, at least 30 instances of gunfire occurred on U.S. school grounds, according to data from the nonprofit Everytown for Gun Safety. The shootings killed five people and wounded another 23.#artocities

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So far in fall 2021, schools have had nearly twice as many shootings as before the pandemic. But active shooter drills may heighten the trauma.