Number of K-12 school shootings by time of day U.S. 1966-2024

Between 1966 and July 22, 2024, 406 school shootings took place during morning classes. During this same time period, 271 school shootings took place during afternoon classes. The source defines a shooting as any time a gun is brandished, fired, or a bullet hits school property for any reason, regardless of the number of victims, time, or day of week, including gang shootings, domestic violence, shootings at sports games and afterhours school events, suicides, fights that escalate into shootings, and accidents.

自1966年至2024年7月22日，共有406起校园枪击事件发生在上午课程期间。在同一时间段内，下午课程期间发生了271起校园枪击事件。本数据集将任何形式的枪支展示、开火，或子弹击中校园财产的情况定义为枪击事件，无论受害者数量、发生时间或星期几，均包含在内，包括帮派枪击、家庭暴力、体育赛事中的枪击以及课后活动、自杀、升级为枪击的斗殴，以及意外事故等。