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

Sterling Heights Police have arrested a girl after she allegedly made threats to "shoot up" Stevenson High School (Detroit suburbs). #schoolshooting #threat #oxfordhighschool #copycat twitter.com/DrBell313/stat…

Dr. Charles Bell on Twitter

“https://t.co/MCPAq52BcP”

Twitter

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K-12 School Shooting Database

@K12ssdb

The terrorism charge was designed to address the harm caused to those who suffered from the violent rampage but who were not killed or injured. #schoolshooting #oxfordhighschool #Terrorism #lawtwitter #oxford washingtonpost.com/nation/2021/12…

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NASRO

@NASRO_Info

Today's reminder that #SROsAreValuable Source: @K12ssdb

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K-12 School Shooting Database

@K12ssdb

2 teachers reported concerning behavior from 15YOM shooter in the days before the Oxford shooting. Police were not informed. Failure to connect the dots was the finding in the 9/11 Commission Report. #schoolshooting #OxfordHigh #redflag #Terrorism cnn.com/2021/12/02/us/…

Investigators reveal concerns about behavior of Michigan high school shooting suspect leading up to the tragedy

Two teachers separately reported concerning behavior from sophomore Ethan Crumbley in the days before the deadly Michigan high school shooting he's accused of committing -- prompting two meetings with him, including one with his parents just hours before the massacre, a sheriff said Thursday.

CNN

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K-12 School Shooting Database

@K12ssdb

Hundreds of schools in the Detroit area are closed today due to online copycat threats of a #schoolshooting. #Oxford #Threat #Detroit #highschool #OxfordHigh

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K-12 School Shooting Database

@K12ssdb

Multiple school districts in suburban Detroit are closed today due to copycat threats of shootings in the wake of the tragic Oxford High School attack. #schoolshooting #OxfordHigh #Detroit #highschool nbcnews.com/news/us-news/m…

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K-12 School Shooting Database

@K12ssdb

Based on data from K-12 School Shooting Database, more than half of shooters are current or former students at the school. #schoolshooting #OxfordHigh #data twitter.com/ConversationUS…

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K-12 School Shooting Database

@K12ssdb

How to prevent the next attack is even more urgent in light of the fact that Oxford High School was one of 222 school shootings in 2021, an all-time high, according to the K-12 School Shooting Database. #schoolshooting #OxfordHigh #data theconversation.com/amp/school-sho…

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K-12 School Shooting Database

@K12ssdb

Working with its co-creator, @david_riedman , we uncovered a record 151 school shooting threats in the "back-to-school" month of September 2021, up from a three-year average of 29. #schoolshooting #OxfordHigh #DataScience twitter.com/theviolencepro…

The Violence Project on Twitter

“The @ConversationUS gave us the opportunity to update some of our earlier writing on school safety. School shootings are at a record high this year. But they are preventable. Thanks @dcwriter360 and @K12ssdb for the data and input #oxfordhighschool https://t.co/4d1BhiJQI4”

Twitter

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K-12 School Shooting Database

@K12ssdb

How to prevent school shootings? Those questions are even more urgent in light of the fact that the shooting at Oxford High School was one of 222 school shootings in 2021, an all-time high, according to the @npsCHDS K-12 School Shooting Database. twitter.com/jillkpeterson/…

Dr. Jillian Peterson on Twitter

““In America, active shooter drills to rehearse for a real shooting and armed guards to respond to them are the best children can hope for.” We have to do more. @ConversationUS @theviolencepro @K12ssdb #oxfordhighschool https://t.co/CiARyYRSUu”

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K-12 School Shooting Database

@K12ssdb

@fanniesuby @NASRO_Info The role of a single officer on a 2,000 student, +100 room campus is not prevention. The Secret Service using hundreds, or even thousands, of agents/officers to completely secure a venue against all possible threats is prevention. That is not viable at every school.

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K-12 School Shooting Database

@K12ssdb

Role of SRO this week: -disarm rampage shooter (MI) -arrest armed robbery suspect who shot at student (TX) -treat gunshot victim in school parking lot (MO) -secure gym following shooting at HS basketball game (TN) #shooting #Oxford #highschool #Police #SRO @NASRO_Info

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K-12 School Shooting Database

@K12ssdb

Armed suspect ordered student to hand over his phone near the athletic field at 11am yesterday. When student refused, the gunman fired a shot. Pasadena, TX ISD School Police responded, arrested shooter, and recovered phone. #schoolshooting #gunviolence #Texas @NASRO_Info

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K-12 School Shooting Database

@K12ssdb

Humboldt Police received a call at 8:30 p.m. about shots fired at Humboldt High School. Officers from Gibson County Sheriff, Tennessee Highway Patrol, and Tennessee Bureau of Investigation all responded. 1 killed, 1 injured. #schoolshooting #Oxford apnews.com/article/sports…

Fatal shooting after Tennessee high school basketball games | AP News

HUMBOLDT, Tenn. (AP) — Two people were shot, one fatally, following a pair of basketball games Tuesday night at a Tennessee high school. Humboldt Police Chief Reynard Buchanan Sr. told the Jackson Sun , “We know of one who was deceased, and another was flown to The Med in Memphis and was in surgery last I heard.” He added that others were injured but that none of those injuries were life threatening.

AP NEWS

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K-12 School Shooting Database

@K12ssdb

Shots were heard near Kansas City high school yesterday afternoon. SRO investigated and found a victim shot in the leg in the school parking lot. Determined shooting didn't happen at the school. No students involved @NASRO_Info #schoolsafety #GunViolence kctv5.com/news/local_new…

Shooting near Southeast High School leaves one injured

One person was shot near Southeast High School Wednesday afternoon.

KCTV Kansas City

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K-12 School Shooting Database

@K12ssdb

A woman was shot 8 times near the playground of William Dicks School in Philly yesterday afternoon. School went on lockdown. No students were injured. #schoolshooting #gunviolence #schools

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K-12 School Shooting Database

@K12ssdb

During a high school basketball game last night, there was an altercation between 2 adults that resulted in an exchange of gunfire inside the gym. SRO secured the area and no students were injured. @NASRO_Info #schoolshooting #basketball newschannel5.com/news/1-killed-…

1 killed in shooting after high school basketball games in Humboldt

Two people were shot, one fatally, following a pair of basketball games Tuesday night at a Tennessee high school.

WTVF

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K-12 School Shooting Database

@K12ssdb

A 21-year-old man was fatally shot, and another wounded, inside the gym at Humboldt High School (TN) last night during a basketball game. #schoolshooting #highschool #basketball

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K-12 School Shooting Database

@K12ssdb

While attacks like Oxford High capture national attention, systemic gun violence is an everyday problem. A 14-year-old boy waiting for a bus home from school was shot 18 times and killed Monday afternoon in Philly. Shot 18 times. #gunviolence #Oxford nbcnews.com/news/us-news/t…

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K-12 School Shooting Database

@K12ssdb

Per @npsCHDS K-12 SSDB data, around half of school shootings are carried out by current or past students. In 74% of incidents, the firearm used was obtained from the student's home, or from a friend or relative. #schoolshooting #Oxford #guns theconversation.com/most-school-sh…

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