This page features U.S. school shooters who meet the definition of a mass killer—someone who killed three or more people during the attack. Each name links to a dedicated page with detailed information about the incident, including timelines, victim counts, and official documents when available.
Type keywords into the search bar for additional posts related to each incident, investigation, controversies, etc.
Andrew Golden and Mitchel Johnson (March 24, 1998)
Westside Middle School
Anthony Barbaro (December 30, 1974)
Olean High School
Anthony Dwayne McRae (February 13, 2023)
Michigan State University
Audrey Hale (March 27, 2023)
Covenant School
Barry Loukaitis (February 2, 1996)
Frontier Middle School
Charles Carl Roberts IV (October 2, 2006)
Amish school
Charles Whitman (August 1, 1966)
University of Texas
Christopher Darnell Jones Jr. (November 13, 2022)
University of Virginia
Christopher Harper-Mercer (October 1, 2015)
Umpqua Community College
Colt Gray (September 4, 2024)
Apalachee High School
Dalton Lee Stidham (January 15, 2013)
Hazard Community and Technical College
Dimitrios Pagourtzis (May 18, 2018)
Santa Fe High School
Douglas W. Pennington (September 2, 2006)
Shepherd University
Dylan Klebold and Eric Harris (April 20, 1999)
Columbine High School
Elliot Rodger (May 23, 2014)
University of California, Santa Barbara
Eric Harris and Dylan Klebold (April 20, 1999)
Columbine High School
Eric Houston (May 1, 1992)
Lindhurst High School
Ethan Crumbley (November 30, 2021)
Oxford High School
Frederick Martin Davidson (August 15, 1996)
San Diego University
Gang Lu (November 1, 1991)
University of Iowa
Heather Smith (November 26, 1985)
Spanaway Jr. High School
Jaylen Fryberg (October 24, 2014)
Marysville Pilchuck High School
Jeff Wiese (March 21, 2005)
Red Lake Senior High School
Kipland Kinkel (May 21, 1998)
Thurston High School
Latina Williams (February 8, 2008)
Louisiana Technical College
Luke Woodham (October 1, 1997)
Pearl High School
Michael Carneal (December 1, 1997)
Heath High School
Mitchel Johnson and Andrew Golden (March 24, 1998)
Westside Middle School
Napoleon Caliguiran (May 10, 2011)
San Jose State University
Natalie Rupnow (December 16, 2024)
Abundant Life Christian School
Nikolas Cruz (February 14, 2018)
Marjory Stoneman Douglas High School
One L. Goh (April 2, 2012)
Oikos University
Patrick Edward Purdy (January 17, 1989)
Cleveland Elementary School
Robert Smith (November 12, 1966)
Rose-Mar College of Beauty
Robert Stewart Flores Jr. (October 28, 2002)
University of Arizona
Salvador Ramos (May 24, 2022)
Robb Elementary School (Uvalde)
Seung-Hui Cho (April 16, 2007)
Virginia Tech
Steven Kazmierczak (February 14, 2008)
Northern Illinois University
Thomas Lane (TJ Lane) (February 27, 2012)
Chardon High School
William Atchison (December 7, 2017)
Aztec High School