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| Table 228.13. | Number of school shootings at public and private elementary and secondary schools, by type of situation associated with shooting: 2000-01 through 2018-19 |
| School year | Total | Situation associated with shooting | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Escalation of dispute1 |
Gang- related2 |
Acci- dental3 |
Suicide or attempted suicide4 |
Domestic, with targeted victim5 |
Indiscrim- inate shooting6 |
Robbery7 | Anger over grade/ suspension/ discipline8 |
Murder or murder/ suicide9 |
Bullying10 | Mental health11 |
Hostage standoff12 |
Officer- involved shooting13 |
Intentional property damage14 |
Racial15 | Illegal- drug- related16 |
Self- defense17 |
Unknown18 | ||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 |
| Total, 2000-01 through 2018-19 |
733 | 184 | 83 | 98 | 76 | 33 | 34 | 14 | 8 | 14 | 15 | 10 | 18 | 17 | 10 | 0 | 11 | 2 | 106 |
| 2000-01 | 29 | 5 | 2 | 3 | 5 | 0 | 1 | 1 | 1 | 1 | 2 | 0 | 5 | 0 | 0 | 0 | 0 | 0 | 3 |
| 2001-02 | 17 | 5 | 0 | 3 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 | 1 | 0 | 0 | 0 | 0 | 2 |
| 2002-03 | 23 | 3 | 4 | 2 | 6 | 1 | 2 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 | 1 |
| 2003-04 | 34 | 8 | 6 | 3 | 3 | 2 | 1 | 1 | 0 | 1 | 1 | 0 | 2 | 2 | 0 | 0 | 1 | 0 | 3 |
| 2004-05 | 44 | 14 | 5 | 9 | 2 | 2 | 1 | 0 | 1 | 2 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 7 |
2005-06 |
51 | 21 | 3 | 6 | 2 | 1 | 0 | 1 | 0 | 0 | 1 | 1 | 1 | 1 | 0 | 0 | 2 | 0 | 11 |
| 2006-07 | 64 | 13 | 7 | 7 | 9 | 1 | 4 | 0 | 1 | 3 | 2 | 1 | 1 | 2 | 0 | 0 | 0 | 0 | 13 |
| 2007-08 | 15 | 2 | 3 | 1 | 3 | 0 | 0 | 0 | 1 | 0 | 1 | 0 | 1 | 1 | 1 | 0 | 0 | 0 | 1 |
| 2008-09 | 52 | 14 | 10 | 6 | 8 | 2 | 1 | 0 | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 0 | 1 | 0 | 8 |
| 2009-10 | 15 | 2 | 2 | 1 | 0 | 3 | 0 | 0 | 0 | 1 | 3 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 1 |
2010-11 |
18 | 4 | 4 | 3 | 0 | 0 | 1 | 0 | 1 | 0 | 0 | 0 | 2 | 0 | 1 | 0 | 1 | 0 | 1 |
| 2011-12 | 12 | 4 | 1 | 2 | 1 | 1 | 1 | 0 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 0 |
| 2012-13 | 24 | 4 | 3 | 3 | 6 | 0 | 2 | 1 | 0 | 0 | 1 | 0 | 1 | 1 | 0 | 0 | 1 | 1 | 0 |
| 2013-14 | 45 | 16 | 7 | 3 | 5 | 2 | 3 | 2 | 0 | 1 | 1 | 1 | 0 | 1 | 1 | 0 | 0 | 0 | 2 |
| 2014-15 | 39 | 14 | 6 | 4 | 6 | 2 | 1 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 0 | 0 | 0 | 0 | 3 |
2015-16 |
35 | 5 | 3 | 11 | 0 | 4 | 2 | 0 | 1 | 1 | 0 | 2 | 0 | 0 | 1 | 0 | 1 | 0 | 4 |
| 2016-17 | 39 | 9 | 5 | 6 | 5 | 1 | 4 | 2 | 0 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 0 | 0 | 5 |
| 2017-18 | 78 | 11 | 5 | 16 | 7 | 4 | 8 | 2 | 0 | 1 | 2 | 2 | 0 | 3 | 4 | 0 | 3 | 0 | 10 |
| 2018-19 | 99 | 30 | 7 | 9 | 7 | 6 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 31 |
| 1 Argument or fight between the shooter and victim prior to the shooting. | |||||||||||||||||||
| 2 Involved gang member,s but non-gang members "bystanders/students" may be victims. | |||||||||||||||||||
| 3 No intent to fire the weapon (e.g., showing off gun and it went off; gun in backpack went off.) | |||||||||||||||||||
| 4 Suicide or attempted suicide by shooter (not an indiscriminate shooting or revenge/bullying where shooter kills self during the shooting). | |||||||||||||||||||
| 5 Shooter had a romantic or familial relationship with the victim, or victim was in a romantic relationship with a former lover of the shooter. | |||||||||||||||||||
| 6 Shooting at random victims with the intent to kill or injure as many as possible. | |||||||||||||||||||
| 7 Shot was fired during a robbery. | |||||||||||||||||||
| 8 Shooter primarily targeted teacher or school administrator due to recent poor grade, suspension, expulsion, or discipline. | |||||||||||||||||||
| 9 Intentional killing not related to any other category, or shot victim and killed self (including other bystanders who were not intended targets). | |||||||||||||||||||
| 10 Shooter was bullied by at least one of the victims. | |||||||||||||||||||
| 11 Severe psychotic episode, insanity, or psychosis during the shooting (e.g., shooter believed the school was sending mind control signals or part of a government conspiracy.) | |||||||||||||||||||
| 12 Hostages held at gunpoint during a standoff with law enforcement. Hostages may have been released without injury and/or no shots were fired during the standoff. | |||||||||||||||||||
| 13 Police officer, school resource officer (SRO), or armed security guard was the only person to fire a weapon. | |||||||||||||||||||
| 14 Shots were fired to cause damage to the school building or vehicles on school property without intent to cause injury. | |||||||||||||||||||
| 15 Shooter targeted victim based on race. | |||||||||||||||||||
| 16 Shots fired related to illegal drug sales or possession. | |||||||||||||||||||
| 17 Shooter fired in self-defense or defense of someone else. | |||||||||||||||||||
| 18 There is not enough information available to determine the category. | |||||||||||||||||||
| NOTE: "School shootings" include all incidents in which a gun is brandished or fired on school property or a bullet hits school property for any reason, regardless of the number of victims, time of day, or day of the week. (An instance of threatening or attempting to shoot can be included even if no shots were fired.) This table was created using a database that aims to compile information on school shootings from publicly available sources into a single comprehensive resource. For information on database methodology, see K-12 School Shooting Database: Research Methodology (https://www.chds.us/ssdb/resources/uploads/2018/10/Intro-and-Methodology-K-12-SSDB.pdf). | |||||||||||||||||||
| SOURCE: U.S. Department of Defense, Naval Postgraduate School, Center for Homeland Defense and Security, K-12 School Shooting Database, retrieved September 4, 2019, from https://www.chds.us/ssdb/dataset/. (This table was prepared November 2019.) |