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

The Violence Project

@theviolencepro

If you look at #massshootings over time, two things are alarmingly clear: The attacks are becoming far more frequent and they are getting deadlier. Our society must rewrite the #violence script to stop the #contagion. Our 2019 article from the @latimes: latimes.com/opinion/story/…

6

3
K-12 School Shooting Database

@K12ssdb

January 23 marks three years since a gunman took the lives of two 15-year-olds and traumatized hundreds more at Marshall County High School. #schoolshooting Story by @wkms wkms.org/post/resilienc…

Resiliency Center In Marshall County Helps Community Heal Three Years After School Shooting

Saturday, January 23, marks three years since a gunman took the lives of two 15-year-olds and traumatized hundreds more at Marshall County High School. As

https://t.co/tOp7sNteZ0

0

0
K-12 School Shooting Database

@K12ssdb

The 16YOM shooter, who hasn't been publicly identified due to his age, was found guilty of manslaughter for shooting friend at the school while showing off gun. #schoolshooting #gunsafety Story by @abc13houston abc13.com/bellaire-high-…

0

0
K-12 School Shooting Database

@K12ssdb

A suspicious package located on an Englewood, CO high school football field has been deemed an active explosive device. @ComplexAttacks #pipebomb #ied #schoolsafety #lockdown Story by @KOOL1079 kool1079.com/pipe-bomb-foun…

Pipe Bomb Found at Colorado High School

A suspicious package has been deemed a pipe bomb found at a Colorado high school.

KOOL 107.9 KBKL

0

0
K-12 School Shooting Database

@K12ssdb

Police say a fight at a local school may have led to the shooting of a 19-year old man in the parking lot. #schoolshooting #gunviolence #afterhours Story by @nbc4i nbc4i.com/news/local-new…

CPD: School fight leads to shooting

COLUMBUS (WCMH) — Police say a fight at a local school may have led to the shooting of a 19-year old man. Patrol officers were called to the parking lot of Eastmoor Academy on S. Weyant Ave. a…

NBC4 WCMH-TV

0

0
K-12 School Shooting Database

@K12ssdb

While waiting in the pickup line, a parent had a gun that discharged in his vehicle striking him. Gun are prohibited by federal law on k-12 school campuses. #schoolshooting #gunsafety Story by @NewsOn6 newson6.com/story/600ba2d5…

Parent Accidentally Shoots Themself While Picking Up Student At Grove Lower Elementary

The superintendent of Grove Schools is answering questions after a student's dad accidentally shot himself.

https://t.co/IyKepYHLTF

0

0
K-12 School Shooting Database

@K12ssdb

International: The assailant was killed by a police sniper after holding a student hostage outside the school in Kunming, south-west China's Yunnan Province. Story by @MailOnline dailymail.co.uk/news/article-9…

Hostage-taker is shot and killed by police after knife attack in China

The assailant was killed by a police sniper after holding a student hostage outside the school in Kunming, south-west China's Yunnan Province at around local time 5pm today.

Mail Online

0

0
K-12 School Shooting Database

@K12ssdb

New research citing @npsCHDS K-12 SSDB. "Active Assailant Crisis Prevention and Response: An Analysis of Teacher Perceptions". #schoolshooting #research #crimtwitter Pub by @UCF with full PDF available: stars.library.ucf.edu/cgi/viewconten…

3

3
K-12 School Shooting Database

@K12ssdb

New research citing @npsCHDS K-12 SSDB. "Active Assailant Crisis Prevention and Response: An Analysis of Teacher Perceptions". #schoolshooting #research #crimtwitter Pub by @UCF with full PDF available: stars.library.ucf.edu/cgi/viewconten…

0

0
K-12 School Shooting Database

@K12ssdb

Student has been charged with transmitting written threats to kill and/or conduct a mass shooting, as well as disruption of a school function based on @Snapchat messages that went viral. #schoolshooting #threat #socialmedia #snapchat shorenewsnetwork.com/2021/01/21/man…

Man charged for making threats to kill, conduct mass shooting at Florida high school

BAKER COUNTY, FL - On January 19, 2021, detectives with the Baker County Sheriff’s Office …

https://t.co/BM3ma3adFe

1

0
K-12 School Shooting Database

@K12ssdb

Two people were injured in a shooting in the parking lot at Southeast High School. ShotSpotter picked up 22 shots fired and police were able to find 18 shell casings at the scene. #schoolshooting #gunviolence Story by @foxillinois foxillinois.com/news/local/3-i…

0

0
K-12 School Shooting Database

@K12ssdb

Georgia congresswoman appeared to support several comments on Facebook in 2018 claiming that several deadly mass shootings, including Parkland, FL, were 'staged' or 'false flags'. #schoolshooting #misinformation Story by @Independent independent.co.uk/news/world/ame…

Survivors demand Marjorie Taylor Green resign over more school shooting conspiracy comments

Georgia congresswoman appeared to support several comments on Facebook in 2018 claiming that several deadly mass shootings were ‘staged’ or ‘false flags’

The Independent

0

0
K-12 School Shooting Database

@K12ssdb

Facebook posts from 2018 show U.S. Rep. agreeing with comments spreading conspiracy that the Parkland school shooting where 17 students and faculty members were killed was a "false flag planned shooting." #schoolshooting #misinformation Story by @TB_Times tampabay.com/news/florida-p…

GOP lawmaker’s tweets denying Parkland massacre denounced by survivors

U.S. Rep. Marjorie Greene is also an adherent of the QAnon conspiracy movement. Twitter temporarily suspended her account on Sunday after she tweeted conspiracy-laced theories about the Georgia elections.

Tampa Bay Times

0

0
K-12 School Shooting Database

@K12ssdb

Georgia Congresswoman is accused of agreeing the Parkland school shooting was a planned event by commenting on a 2018 Facebook post claiming it to be a "false flag planned shooting". #schoolshooting #misinformation #parkland Story by @newschannelnine newschannel9.com/news/local/nw-…

0

0
K-12 School Shooting Database

@K12ssdb

U.S. congressman Tuesday called for a federal investigation into the Pasco school district's practice of sharing student data with law enforcement. #schoolshooting #data Story by @tampabaytimes tampabay.com/investigations…

Congressman urges probe of Pasco school data program

The school district shares student data with the Sheriff’s Office, which uses it to identify potential future criminals.

Tampa Bay Times

0

0
K-12 School Shooting Database

@K12ssdb

Authorities have identified the man whose body was found in an elementary school parking lot last week. He was a 21YOM who lived nearby. #schoolshooting #afterhours patch.com/maryland/rockv…

Man Found Dead In Elementary School Parking Lot Identified

A 21-year-old Rockville resident was found dead in the parking lot of an elementary school last week.

Rockville, MD Patch

0

0
K-12 School Shooting Database

@K12ssdb

The Baker County Sheriff's Office said a lockdown was put in place "in an abundance of caution" after threatening messages circulated on social media. #schoolshooting #threat Story by @FirstCoastNews firstcoastnews.com/article/news/c…

Lockdown lifted after threat to Baker County High School, sheriff's office says

The Baker County Sheriff's Office said a lockdown was put in place "in an abundance of caution" after threatening messages circulated on social media.

firstcoastnews.com

0

0
K-12 School Shooting Database

@K12ssdb

Man has voiced homicidal ideations, made comments about conducting a school shooting, and has researched mass shootings. twitter.com/JordanOnRecord…

0

0
K-12 School Shooting Database

@K12ssdb

Suspect is a member of several white supremacy organizations and has voiced "homicidal ideations, made comments about conducting a school shooting and has researched mass shootings." #schoolshooting #CapitolRiot #gps Story by @wjz baltimore.cbslocal.com/2021/01/18/mar…

Maryland Man Bryan Betancur Arrested After GPS Monitor Places Him At US Capitol During Riots, Prosecutors Say

A self-professed white supremacist from Maryland was arrested Sunday after his GPS monitor placed him at the US Capitol during the riots on January 6

https://t.co/Co5tt302YQ

0

0
K-12 School Shooting Database

@K12ssdb

The trial for the older student charged in connection with the STEM School Highlands Ranch shooting has been delayed again as courts contend with COVID-19. #schoolshooting Story by @denverpost denverpost.com/2021/01/15/dev…

Trial for STEM School shooting suspect delayed until May

The trial for the older student charged in connection with the STEM School Highlands Ranch shooting has been delayed again as courts contend with doing business during the COVID-19 pandemic.

The Denver Post

0

0