This statistic shows the number of school shootings in the United States from 1970 to March 25, 2019, by the time of day the shooting took place. During this time period, 290 school shootings took place during morning classes.
Survey time period
1970 to March 25, 2019
*As of March 25, 2019
The source defines a school shooting as every time a gun is brandished, fired, or a bullet hits school property for any reason.