school shooting

References & Edit History Related Topics

Images

Students walk in a line with hands on each other's shoulders, escorted by armed law enforcement officers in a parking lot outside Marjory Stoneman Douglas High School in Parkland, Florida.

Infographic showing mass shootings in the United States since 1982, including a US map of locations, annual counts, fatality numbers, weapon types, shooter demographics, and a timeline of major incidents.

Grief at Columbine

At a Glance

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school shooting summary

school shooting: References & Edit History

More Articles On This Topic

lockdown
School lockdowns

Article Contributors

Primary Contributors

Joanne Belknap
Tanya Greathouse
The Editors of Encyclopaedia Britannica
Encyclopaedia Britannica's editors oversee subject areas in which they have extensive knowledge, whether from years of experience gained by working on that content or via study for an advanced degree. They write new content and verify and edit content received from contributors.

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Article History

Type	Description	Contributor	Date
	Modified link of Web site: National Center for Biotechnology Information - PubMed Central - K-12 School Shootings: Implications for Policy, Prevention, and Child Well-Being.	Gloria Lotha	Jun 19, 2026
	Add new Web site: Digital Commons at University - What Can Be Done About School Shootings?: A Review of the Evidence (PDF).	Gloria Lotha	Mar 28, 2026
	Updated Columbine death toll, added box on worst school shootings.	Tracy Grant	Mar 27, 2026
	Add new Web site: ABC listen - Radio National Breakfast - The US' deadliest school shooting in 18-months.	Emily Rodriguez	Nov 04, 2025
	Add new Web site: CORE - Analysis of School Shootings (PDF).	Aakanksha Gaur	Aug 22, 2025
	Added cross references.	Tracy Grant	Jul 11, 2025
	Added cross-reference to Parkland high school shooting, replaced expired media, added Top Questions.	Tracy Grant	Jun 12, 2025
	Add new Web site: Brookings - School shootings: What we know about them, and what we can do to prevent them.	Yamini Chauhan	Aug 23, 2024
	Add new Web site: Stanford University - Institute for Economic Policy Research - Surviving a school shooting: Impacts on the mental health, education, and earnings of American youth.	Gloria Lotha	Apr 12, 2024
	Updated to add Parkland and Uvalde school shootings.	Tracy Grant	Mar 04, 2024
	Infogram added.	Michael Ray	Mar 27, 2023
	Add new Web site: National Center for Biotechnology Information - PubMed Central - K-12 School Shootings: Implications for Policy, Prevention, and Child Well-Being.	Gloria Lotha	Jan 16, 2023
	Definition of "school shooting" slightly modified.	Brian Duignan	Sep 19, 2019
	New article added.	Amy Tikkanen Tanya Greathouse	May 11, 2016
	New article added.	Amy Tikkanen Joanne Belknap	May 11, 2016