“Uvalde was a mass school shooting; the 26 previous tragedies at schools this year were not,” Reason continues to report, continuing with the definition that at least three people have to be killed (in most cases, four) in order for an incident to officially be considered a mass shooting, according to the Gun Violence Archive itself.
Using this metric, there have only been a total 13 mass school shootings since 1966, going back to the infamous clock tower incident at the University of Austin on Aug 1 of that year.
Hellbound and Down 