Numbers since April 1999 can range from 8 to 2,032 depending how you define "school shooting". Reduce bias by looking at many different ways to filter the data.
How many school shootings since Columbine?
How many school shootings since Columbine?
How many school shootings since Columbine?
Numbers since April 1999 can range from 8 to 2,032 depending how you define "school shooting". Reduce bias by looking at many different ways to filter the data.