The deadliest US school shootings

Updated May 25 2022 - 6:41pm, first published 6:36pm
Twenty first-graders and six educators lost their lives in a gun attack at Sandy Hook ten years ago.
Twenty first-graders and six educators lost their lives in a gun attack at Sandy Hook ten years ago.

There have been dozens of shootings and other attacks in US schools and colleges over the years, but until the massacre at Colorado's Columbine High School in 1999, the number of dead tended to be in the single digits.