United States school shootings and firearm incidents, 1990-present
This page lists and analyzes school shootings that have taken place in K-12 schools throughout the United States since 1990.
As of November 11, 2025,840 incident have occurred during this time, resulting in1,142 injuries and540 fatalities. Seebelow for the types of incidents included in this data. Additional information about school shootingsby decade,by state, andby year is available below.
Click the topics below for more information about school shootings in the U.S.
- Methodology
- School shootings by decade
- School shootings by year
- School shootings by state
- Incident details
Methodology
This page is updated monthly and in response to incidents that gain national media attention.
The incidents included here represent shootings and related firearm incidents that occurred at aK-12 school in the United States. College and university shootings are not included. Suicides or suicide attempts where no other individuals were harmed are not included either. All incidents listed here involved either teachers, staff, students, minors, or law enforcement. Only incidents resulting in injuries or fatalities that occurred on school grounds during regular school hours (or during a school-sponsored activity) have been included.
Please note that this list of school shootings may not be comprehensive. It is compiled from incidents reported in the media and sent in by readers. If you know of incidents we are missing, pleasecontact us.
School shootings by decade
- 2020 - Present: 194 total incidents
- Deadliest incident:Robb Elementary School in Uvalde, Texas. On May 24, 2022, an 18-year-old shot and killed 19 children and two teachers and injured at least a dozen more.
- 2010 - 2019: 280 total incidents
- Deadliest incident:Sandy Hook Elementary School in Newtown, Connecticut. On December 14, 2012, a 20-year-old killed 20 children and six adults before taking his own life.
- 2000 - 2009: 183 total incidents
- Deadliest incident:Red Lake High School in Red Lake, Minnesota. On March 21, 2005, a 16-year-old shot and killed five fellow students, one teacher, and a security guard before killing himself.
- 1990-1999: 182 total incidents
- Deadliest incident:Columbine High School in Littleton, Colorado. On April 20, 1999, an 18-year-old and a 17-year-old shot and killed twelve students and one teacher at their high school, before killing themselves.
School shootings by year
The chart below shows the number of school shootings that have occurred in the United States, each year from 1990 until the present. Seeabove for the types of incidents included in this data.
School shootings by state
Maps
The map below is shaded to show the number of school shooting incidents and resulting injuries and fatalities that have occurred in the United States since 1990. Seeabove for the types of incidents included in this data.
By the numbers
The table below shows the number of school shootings that have occurred in the United States, since 1990. This table can be sorted by the number of incidents, injuries, or fatalities that have occurred in each state. Seeabove for the types of incidents included in this data.
| School shootings and firearms incidents by state, 1990-Present | |||||
|---|---|---|---|---|---|
| State | Incidents | Injuries | Fatalities | ||
| Alabama | 27 | 37 | 7 | ||
| Alaska | 3 | 4 | 2 | ||
| Arizona | 7 | 5 | 6 | ||
| Arkansas | 10 | 18 | 7 | ||
| California | 106 | 140 | 55 | ||
| Colorado | 20 | 47 | 27 | ||
| Connecticut | 7 | 7 | 29 | ||
| Delaware | 2 | 2 | 0 | ||
| District of Columbia | 17 | 15 | 9 | ||
| Florida | 55 | 53 | 50 | ||
| Georgia | 40 | 53 | 19 | ||
| Hawaii | 2 | 3 | 0 | ||
| Idaho | 2 | 4 | 0 | ||
| Illinois | 36 | 50 | 12 | ||
| Indiana | 16 | 12 | 8 | ||
| Iowa | 9 | 13 | 8 | ||
| Kansas | 6 | 12 | 1 | ||
| Kentucky | 9 | 29 | 10 | ||
| Louisiana | 21 | 24 | 8 | ||
| Maine | 1 | 0 | 1 | ||
| Maryland | 20 | 25 | 5 | ||
| Massachusetts | 5 | 8 | 2 | ||
| Michigan | 43 | 68 | 17 | ||
| Minnesota | 9 | 37 | 13 | ||
| Mississippi | 9 | 13 | 8 | ||
| Missouri | 15 | 17 | 11 | ||
| Montana | 2 | 2 | 1 | ||
| Nebraska | 6 | 5 | 3 | ||
| Nevada | 8 | 9 | 5 | ||
| New Hampshire | 2 | 3 | 0 | ||
| New Jersey | 7 | 5 | 7 | ||
| New Mexico | 7 | 4 | 6 | ||
| New York | 27 | 30 | 8 | ||
| North Carolina | 29 | 31 | 10 | ||
| North Dakota | 1 | 0 | 1 | ||
| Ohio | 16 | 28 | 9 | ||
| Oklahoma | 11 | 20 | 3 | ||
| Oregon | 9 | 44 | 6 | ||
| Pennsylvania | 32 | 42 | 26 | ||
| Rhode Island | 2 | 3 | 1 | ||
| South Carolina | 12 | 16 | 6 | ||
| South Dakota | 2 | 2 | 0 | ||
| Tennessee | 27 | 28 | 21 | ||
| Texas | 87 | 108 | 71 | ||
| Utah | 5 | 4 | 4 | ||
| Vermont | 1 | 3 | 1 | ||
| Virginia | 17 | 21 | 4 | ||
| Washington | 20 | 13 | 24 | ||
| West Virginia | 1 | 3 | 0 | ||
| Wisconsin | 11 | 18 | 7 | ||
| Wyoming | 1 | 4 | 1 | ||
| Total | 840 | 1142 | 540 | ||
Incident details
The table below provides details about each incident that is included in the analyses above. This table is fully searchable by state, city, date, school, and keywords in the incident description.
See also
- Firearms on the ballot
- School Boards and School Board Elections
- Local Politics
- Bipartisan Safer Communities Act of 2022
External links
- Education Week’s 2025 School Shooting Tracker
- Gunfire on School Grounds in the United States
- School shootings since Columbine High
- Deadliest U.S. School Shootings
- Definitive List of School Shootings in the United States in the 21st Century
- History of School Shootings in the United States
- School Shootings in America
