A memorial in a Littleton, Colo., cemetery honors the 13 victims of the 1999 Columbine High School massacre. School shootings per year 15 11 0 1999 2018 Students present for school shootings per year 15,000 12,752 0 1999 2018 Note: Data for 1999 begins on April 20. Source: Staff reports School shootings per year 15 11 10 5 0 1999 2018 Students present for school shootings per year 15,000 12,752 10,000 5,000 0 1999 2018 Note: Data for 1999 begins on April 20. Source: Staff reports School shootings per year Students present for school shootings per year 15 15,000 11 12,752 10 10,000 5 5,000 0 0 1999 2018 1999 2018 Note: Data for 1999 begins on April 20. Because the federal government does not track school shootings, it’s possible that the analysis did not find every incident that would qualify.

Source: Washington Post March 21, 2018 15:33 UTC