Title: Sandy Hook: A chart of all 137 fatal school shootings since 1980.
Headings: Since 1980, 297 People Have Been Killed in School Shootings
Since 1980, 297 People Have Been Killed in School Shootings
An interactive chart of every school shooting and its death toll.

Content: The Dec. 14 massacre at Sandy Hook Elementary left 27 victims, including 20 children, and the killer dead, making it the third-worst school attack in history after the 2007 Virginia Tech massacre and the 1927 Bath School bombing. The chart above shows school shootings since 1980. The longer the red bar, the more people died in the incident it represents. Mouse over each to learn more. Advertisement
The graphic is based on data compiled by Jessie Klein, author of the 2012 book The Bully Society: School Shootings and the Crisis of Bullying in America's Schools, and data Slate collected about 2012 shootings. The chart includes only shootings in which one person other than the shooter (s) died. According to the data, there have been a total of 137 fatal school shootings that killed 297 victims since 1980. Elementary schools saw the fewest shootings (17), while high schools saw the most (62). Each decade had more shooting deaths than the previous one.