The Washington PostHow many children have been impacted by school shootings?

The Washington Post has spent the past year determining how many children have been exposed to gun violence during school hours since the Columbine High massacre in 1999. The Post’s database is updated regularly as school shootings are reported and as facts emerge about individual cases.

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With John Woodrow Cox, Steven Rich, Allyson Chiu and John Muyskens.

April 2018