K-12 School Shooting Database

Methodology

Learn more about how we complied this data through extensive research following this three step process:

STEP 1: DATABASE COMPILATION AND PRELIMINARY RESEARCH
STEP 2: DETAILED RESEARCH
STEP 3: RELIABILITY SCORING

About the Database and CHDS

The School Shooting Database Project is conducted as part of the Advanced Thinking in Homeland Security (HSx) program at the Naval Postgraduate School’s Center for Homeland Defense and Security (CHDS).

The Center for Homeland Defense and Security (CHDS) is located at the Naval Postgraduate School in Monterey, CA. Since 2003, CHDS has conducted a wide range of programs focused on assisting current and emerging leaders in Homeland Defense and Security to develop the policies, strategies, programs and organizational elements needed to defeat terrorism and prepare for and respond to natural disasters and public safety threats across the United States.

Visit CHDS Learn about the team

K-12 SSDB News See All News

Are School Shootings Becoming More Frequent? We Ran The Numbers

By Luis Melgar Published on May 21, 2019 If in recent years it seems that school shootings are happening more frequently, occupying public discourse and media coverage, it’s because they are. Although school shootings are still very rare compared to daily gun violence, the data show they are happening more often. It can be hard to measure school shootings...

The End of Police in Schools

By Lauren Camera, Senior Education Writer Published on June 12, 2020 As demonstrations over the death of George Floyd spread across the country, school districts are reevaluating the use of resource officers. Two days later, Portland Public Schools followed suit, with Superintendent Guadalupe Guerrero announcing that the district will discontinue the regular presence of police...

Was March 2020 the First March Since 2002 Without a US School Shooting?

By Jessica Lee Published on April 16, 2020 The definition of a “school shooting” varies depending on whom you ask. Claim: March 2020 was the first March without a school shooting in the U.S. since 2002. Rating: Mostly False What’s True According to one government database, the U.S. has had at least one shooting on...

What we know about school mass shootings since Columbine and how to prevent them

By Caitlin Moe and Ali Rowhani-Rahbar Published on April 19, 2019 Saturday marks the 20th anniversary of the Columbine High School shooting, which left one teacher and 14 students, including the two perpetrators, dead. Since then, according to The Washington Post, there have been 237 school shootings in the U.S., resulting in 403 killed or injured. But we...

Tweets by @K12ssdb

K-12 School Shooting Database

@K12ssdb

@SunSentinel Thank you for publishing our article.

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K-12 School Shooting Database

@K12ssdb

New Op-Ed by David Riedman (@K12ssdb), Jillian Peterson (@jillkpeterson), and James Densley (@theviolencepro) on how we need to do a better job at connecting the dots to prevent the next #schoolshooting. twitter.com/SunSentinel/st…

South Florida Sun Sentinel on Twitter

“One second from Columbine at Lehigh Acres | Opinion https://t.co/FDHN1Y4UwF”

Twitter

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The Violence Project

@theviolencepro

Our new op-ed with @K12ssdb. Guns have been fired on K-12 school campuses more than 60 times since August in 23 different states. To put that in perspective, there were fewer than 60 shootings each year between 1970 and 2017. 2021 is breaking records, and it's only September. twitter.com/sunsentinel/st…

South Florida Sun Sentinel on Twitter

“One second from Columbine at Lehigh Acres | Opinion https://t.co/FDHN1Y4UwF”

Twitter

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K-12 School Shooting Database

@K12ssdb

A 15-year-old Detroit high school student is facing multiple charges on allegations he made school shooting threats on campus while armed with a loaded semi-automatic handgun. Arrested without incident. No shots fired.

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K-12 School Shooting Database

@K12ssdb

Many victims of #schoolshootings are bystanders in the classroom or hallway. Shots are fired during a dispute and they end up hitting an innocent student. twitter.com/GunJournal/sta…

Shattered - Gun Accident Journal on Twitter

“As gun violence increases, the risk to all of us goes up. On Tuesday, at least four innocent bystanders were shot in disputes they had nothing to do with, three of them children. #putdownyourguns TUESDAY, SEPTEMBER 21, 2021 https://t.co/iMOYJtZBxB”

Twitter

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K-12 School Shooting Database

@K12ssdb

27-year-old woman was charged after a child brought a stungun she owned to a Virginia elementary school and used it on 3 students last week. Using a "stun weapon" on school property is a felony in VA. #schoolsafety #backtoschool

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Kenneth Trump

@safeschools

FORSYTH COUNTY, N.C. -- A juvenile was charged on Tuesday after a gun was found in a backpack at Reynolds High School. Around noon, a Forsyth County deputy assigned as a school resource officer found a gun in a student's backpack at Reynolds High Schoolmyfox8.com/news/north-car…a

Gun found in backpack at Reynolds High School by SRO; juvenile student charged

FORSYTH COUNTY, N.C. (WGHP) — A juvenile was charged on Tuesday after a gun was found in a backpack at Reynolds High School, according to a Forsyth County Sheriff’s Office news release. Aroun…

myfox8.com

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K-12 School Shooting Database

@K12ssdb

Teen was shot outside at 8:45 AM and ran into South Shore High School (Brooklyn, NY), where he asked for help. #schoolshooting #gunviolence #NYC

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K-12 School Shooting Database

@K12ssdb

Airport or high school? New entry procedures at Centennial High School in Champaign, IL. Shots fired outside the school last week, gun found inside the school 2 weeks ago. #schoolsafety #gunviolence #schoolshooting @AMarch4OurLives

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K-12 School Shooting Database

@K12ssdb

Lincoln-Bassett School (New Haven) was put into lockdown and students were rushed inside when shots were fired outside the building yesterday morning. #schoolshooting #gunviolence #schoolsafety @bradybuzz

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K-12 School Shooting Database

@K12ssdb

"Across from school" and "bus stops" don't meet the K-12 SSDB definition. They are not "mass shootings" so they don't make those lists. These are tragic situations involving students that are lost in the flood of #GunViolence. #Kentucky #Houston #shooting @MomsDemand

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K-12 School Shooting Database

@K12ssdb

Detroit High School student has been arrested after threatening to shoot a security guard. He was carrying a loaded handgun w/ serial numbers filed off. #schoolshooting #schoolsafety #gunviolence #detroit

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Koshka Foundation

@Koshka4Schools

If you deliver active threat training to your community, here is a great opportunity to learn more about inclusiveness and disability considerations. twitter.com/iaem/status/14…

IAEM on Twitter

“Join the IAEM Access & Inclusion Caucus for a webinar on September 29th at 2 p.m. ET. The webinar focus is on disabilities and active threat training, exercising, and response. Register here: https://t.co/HWPI9dM6GN. #IAEMwebinar #IAEM”

Twitter

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K-12 School Shooting Database

@K12ssdb

Averted attack at Colorado State University. Student made threats. Arrested with weapons, ammo, and body armor on campus. #schoolshooting #CSU H/T @fred_burton

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K-12 School Shooting Database

@K12ssdb

@Crimealytics @UpshotNYT Something is going on. There are 60 shooting incidents so far in September at K-12 schools. That double most YEARS from 1970-2017.

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K-12 School Shooting Database

@K12ssdb

@MacOsborn1776 @EvyPoumpouras It's not an algorithm, it's a person researching and coding all of these incidents using a peer-reviewed methodology.

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K-12 School Shooting Database

@K12ssdb

It's only September and 2021 is already breaking every record for the number of shootings a K-12 schools. #schoolshooting #gunviolence #backtoschool @teamtrace

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K-12 School Shooting Database

@K12ssdb

At #heritagehighschool, shooter was known to police and school officials. Fight with victim was witnessed by staff. Shooter ran away from the school and ditched gun in trashcan. Gun was recovered by police. Why was the school on #lockdown for hours? This is an isolated threat.

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K-12 School Shooting Database

@K12ssdb

Teen who shot two students in VA high school was wearing an ankle monitor from Juvenile Services. Fought with victim just prior to shooting. Female student was caught in crossfire in the hallway. #schoolshooting #redflag #heritagehighschool @MomsDemand

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K-12 School Shooting Database

@K12ssdb

A parent allegedly fired 5 shots at two other parents during a fight at a school bus stop in South Bend, IN last week. #gunviolence #backtoschool #shooting

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