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

"Responding to Shooting Threats: Strategies for Schools" (webinar)

Free webinar held on 12/17/2021 to address viral threats of “National School Shooting Day” on TikTok and other social media platforms. Panel (David Riedman, Jillian Peterson, and James Densley) discuss best practices for school-based threat assessment programs and recent trends in rapidly growing number of threats made against schools across the country.

Assessing Shooting Threats Is a Matter of Life or Death. Why Aren’t Experts Better at It?

Assessing Shooting Threats Is a Matter of Life or Death. Why Aren’t Experts Better at It? There is no playbook for schools, and they need all the help they can get By David Riedman, Jillian Peterson & James Densley — December 16, 2021 (Published by Education Week) David Riedman is the co-creator of the K-12 School Shooting Database at the Naval Postgraduate...

The rise in school shooting threats is alarming — and a cry for help

BY JAMES DENSLEY, DAVID RIEDMAN AND JILLIAN PETERSON (Published by Los Angeles Times) NOV. 5, 2021 “I hate Ms. [school principal]. … On Friday, October 29, I am going to take my dad’s shotgun and shoot her … after that I will go into my first period class and shoot it up. … I know the...

School shootings are increasing — and changing. Easily accessible guns are to blame.

Opinion: School shootings are increasing — and changing. Easily accessible guns are to blame. By Jillian Peterson, James Densley and David Riedman (Published by The Washington Post October 8, 2021 at 8:00 a.m. EDT Jillian Peterson is a professor of criminology and criminal justice at Hamline University. James Densley is a professor of criminal justice at...

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K-12 School Shooting Database

@K12ssdb

There is #nonotoriety for mass shooters. This guy should be #viral for shooting himself in the leg at an elementary school in Texas...2 days after one of the worst school shootings ever. Anthony White (55) charged with unlawful carrying of a weapon in prohibited places.

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K-12 School Shooting Database

@K12ssdb

This guy shot himself in the leg with a handgun tucked in his waistband at Duff Elementary in Arlington, TX Thursday. School went on lockdown. As the country tries to make sense of what happened at Robb Elementary in Uvalde, this guy was carrying a gun into another Texas school.

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@K12ssdb

@zeepetals @MichaelBluth20 @bnaikma @TwinDaddyDave @ThisIsOurLane @POTUS I still jump every time the shot is fired. It is pretty impressive that the first thing he says is "is everyone alright?".

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K-12 School Shooting Database

@K12ssdb

@zeepetals @MichaelBluth20 @bnaikma @TwinDaddyDave @ThisIsOurLane @POTUS The most well known "accidental" shooting in a school has almost 2 million views on youtube. youtube.com/watch?v=vfONck…

DEA idiot shoots himself teaching gun safety!

Safety first! Watch this idiot from the DEA teaching kids about gun safety shoot himself with an "empty" weapon! Do as I say, not as I do!* Be sure to chec...

YouTube

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K-12 School Shooting Database

@K12ssdb

Robb Elementary attacker was known as "school shooter" on Yubo (stream, chat, and group messaging app). Other users said they were not surprised when the attack happened. He had an account that was verified with his gov/school ID and phone number. This was preventable.

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K-12 School Shooting Database

@K12ssdb

In 1980-90s, hostage and barricade situations occurred at schools across the country. Police surrounded and negotiated, like 1993 in KY, when student took 22 classmates hostage before surrendering. Post-Columbine, nation-wide switch to quick response and "active shooter".

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K-12 School Shooting Database

@K12ssdb

Duff Elementary (Arlington, TX) went into lockdown yesterday when a man near the front office shot himself in the leg with a concealed handgun. At least 202 other "accidental shootings" at k-12 schools. Most involve parents, teachers, and police officers.

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K-12 School Shooting Database

@K12ssdb

Texas man with concealed weapon shot himself in the leg on a school campus, and was taken to the hospital for treatment. One of more than 100 "accidental" shootings on school campuses. Most are by parents, teachers, and police officers. twitter.com/safeschools/st…

Kenneth Trump on Twitter

“ARLINGTON, Texas – Police say a man accidentally shot himself while carrying a gun onto a Texas elementary school campus. The school went on a brief lockdown but didn’t believe there was any malicious intent or any threat to the school. https://t.co/oAls62fcM9”

Twitter

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@K12ssdb

"1996 was a watershed moment in Australia and Britain, when governments finally decided to tackle gun violence after a gunman killed 35 people, and injured 23 more, in the Tasmanian tourist town of Port Arthur." via @irishexaminer citing K-12 SSDB data irishexaminer.com/news/spotlight…

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K-12 School Shooting Database

@K12ssdb

@zhawke2002 That is incredible. Thank you for sharing.

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K-12 School Shooting Database

@K12ssdb

@zhawke2002 This is beyond interoperability. Someone who is not directly involved in the intensity of the on-scene operations needs to be hearing the messages and putting together the picture of what is happening.

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K-12 School Shooting Database

@K12ssdb

During the Las Vegas Harvest Festival shooting, communications failed between officers on the scene, their supervisors, the 911 center, and the incident commander. 5 years later at Robb Elementary in Uvalde, TX, these same issues have not been resolved. medium.com/homeland-secur…

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K-12 School Shooting Database

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Two BORTC agents who spoke to @thehill said CBP's tactical unit arrived at Robb Elementary School around 12:15 pm and were told not to enter school. After 30 minutes, federal agents decided to move in and take out shooter.

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K-12 School Shooting Database

@K12ssdb

Per CBP official, Robb Elementary gunman emerged from a classroom closet and fired at Border Patrol tactical agents entering the room. Agents had a ballistic shield and fatally shot the gunman. (photo: BORTAC agents room entry training)

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K-12 School Shooting Database

@K12ssdb

@CptEspinoza @brianstelter @ShimonPro That is an excellent point. I wrote this after the Las Vegas festival shooting. We may see the same situation where officers at the scene were providing important pieces of information that command was not hearing. medium.com/homeland-secur…

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K-12 School Shooting Database

@K12ssdb

Riedman said there are only two American institutions that have an absolute prevention mission: TSA and Secret Service. "The baseline is zero attacks and we'll spend any amount of money to get there. This is not viable at a school." via @laurameckler washingtonpost.com/education/2022…

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K-12 School Shooting Database

@K12ssdb

"[The attack] is honestly not surprising. It's a sad fact that it could have been stopped. It really could have." - Yubo user App blends livestreams, chats, private groups, and private message. Robb Elementary shooter was a verified user (gov/school ID photo uploaded & phone#)

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K-12 School Shooting Database

@K12ssdb

School shootings are preventable. Someone who sees a red flag must take action. Robb Elementary attacker was known as "Yubo school shooter" on social media. Made violent threats to other users. Unknown user asked "should i message his classmates?"

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K-12 School Shooting Database

@K12ssdb

David Riedman (@david_riedman), co-founder of the K-12 School Shooting Database, said he has recorded more than 2,500 instances of threats to carry out school shootings through media reports since 2018. via @washingtonpost washingtonpost.com/education/2022…

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K-12 School Shooting Database

@K12ssdb

@maxschachter We have lots of data, lots of research, and lots of best practices. Our focus needs to be transforming those concepts into practice. If the same operational failures keep occurring, there is a fundamental problem that needs to be addressed.

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