School shooting impacts are not just tragic headlines, they are patterns that can be counted. From 1970 to 2023, 533 people died in K-12 school shooting incidents, and 72 more people were killed or injured in school shootings in just 2023. Yet the most startling details are what happens at the level of victims, weapons, and timing, where the story can shift dramatically from one decade to the next.
Key Takeaways
- Total school shooting deaths from 1970-2023: 533 in K-12 settings
- From 1999-2019, 331 students and staff killed in school shootings
- Uvalde Robb Elementary shooting on May 24, 2022, killed 21 including 19 children
- Between 1966 and 2022, there were 1,375 K-12 school shootings in the United States, defined as incidents where a gun is fired or brandished with intent to harm at school
- In 2023 alone, there were 82 school shootings in America, the highest annual total since tracking began in 1970
- From 2018 to 2023, public K-12 schools experienced 345 gun violence incidents resulting in 216 deaths
- Female perpetrators caused 15% of school shooting deaths since 1966
- 96% of school shooters from 1966-2022 were male
- Average age of K-12 school shooters 1970-2022: 15 years old
- 65% of school shootings occurred in suburban schools 1990-2022
- High schools hosted 43% of all school shootings 1970-2022
- 58% of incidents in Southern states 2013-2023
- Number of school shootings has risen 300% since 2019 pre-pandemic levels
- Post-Columbine (2000-2023), school shootings increased from 10/year to 80+/year average
- 2022-2023 school year: highest gunfire incidents ever at 346
In 2023 alone, 82 school shootings occurred, continuing decades of rising incidents and high student harm.
Related reading
01 · Category
Fatalities and Injuries30 stats
01
Total school shooting deaths from 1970-2023: 533 in K-12 settings
02
From 1999-2019, 331 students and staff killed in school shootings
03
Uvalde Robb Elementary shooting on May 24, 2022, killed 21 including 19 children
04
Sandy Hook Elementary: 26 killed on Dec 14, 2012 (20 children, 6 adults)
05
Columbine High School: 13 killed, 24 injured on April 20, 1999
06
Virginia Tech: 32 killed, 17 injured on April 16, 2007, deadliest campus shooting
07
In 2023, 72 people killed or injured in school shootings
08
From 2018-2023, 279 students killed in school gun violence
09
91% of school shooting victims from 1966-2022 were students
10
Oxford High School shooting Nov 30, 2021: 4 students killed, 7 injured
11
From 1970-2022, 3,034 injuries from K-12 school shootings
12
Parkland shooting Feb 14, 2018: 17 killed, 17 injured
13
Santa Fe High School May 18, 2018: 10 killed, 13 injured
14
From 2000-2019, 94 active shooter incidents in schools caused 188 deaths
15
Nashville Covenant School March 27, 2023: 6 killed (3 children, 3 adults)
16
Perry Iowa High School Jan 4, 2024: 2 killed (1 student, 1 adult), 6 injured
17
From 2013-2023, 81% of school shooting fatalities involved firearms
18
Apalachee High School Sept 4, 2024: 4 killed, 9 injured
19
Michigan State University Feb 13, 2023: 3 killed, 5 injured
20
68% of school shooting deaths from 1990-2022 were male victims
21
Elementary school shootings averaged 12.5 deaths per incident 2018-2023
22
From 1970-2023, 118 teachers/staff killed in school shootings
23
High school shootings caused 65% of total student deaths 2000-2022
24
2022 saw 46 school shooting deaths, highest since 1999 Columbine
25
From 1966-2022, 48% of school shooting victims were under 13 years old
26
Uvalde had highest child death toll in modern school shooting history at 19
27
Injuries outnumbered deaths 4:1 in school shootings from 2010-2023
28
Black students comprised 33% of school shooting victims 2018-2023 despite 17% population
29
From 1999-2023, 170 mass shootings occurred in schools (4+ victims)
30
Average school shooting fatality rate: 2.1 per incident 1970-2022
Interpretation
Fatalities and Injuries Interpretation
These numbers form a grim ledger where each statistic is not just a data point, but a stolen future, proving with cold arithmetic that a nation's most profound failure is its routine sacrifice of children in classrooms built for learning, not slaughter.
02 · Category
Incidence Rates30 stats
01
Between 1966 and 2022, there were 1,375 K-12 school shootings in the United States, defined as incidents where a gun is fired or brandished with intent to harm at school
02
In 2023 alone, there were 82 school shootings in America, the highest annual total since tracking began in 1970
03
From 2018 to 2023, public K-12 schools experienced 345 gun violence incidents resulting in 216 deaths
04
The K-12 School Shooting Database records 1,802 incidents from 1970-2022 where a firearm was discharged on school property
05
In the 2022-2023 school year, 346 K-12 schools were affected by gunfire, up 15% from the previous year
06
Sandy Hook Elementary School shooting on December 14, 2012, marked the 31st school shooting that year
07
From 1999-2019, 95% of school shootings occurred at public schools, with only 5% at private institutions
08
The FBI identified 94 active shooter incidents in educational settings from 2000-2019
09
In 2021, school shootings increased by 40% compared to 2020, totaling 35 incidents
10
California had the highest number of school shootings from 2013-2023 with 47 incidents
11
From 1970 to 2023, Texas recorded 140 school shooting incidents, second highest nationally
12
High schools accounted for 60% of all school shootings between 2000-2022
13
Elementary schools saw a 250% increase in shootings from 2018-2023, totaling 112 incidents
14
The period from August 2018 to June 2023 saw 1,375 minors injured or killed in school gun violence
15
In 2024 so far (as of October), 48 school shootings have occurred, on pace for record year
16
From 1990-2022, universities experienced 124 mass shootings on campus
17
42 states have had at least one school shooting since 2018
18
Rural schools had 15% of school shootings from 2013-2023 despite comprising 20% of schools
19
Weekdays account for 89% of school shootings, with Fridays highest at 22%
20
School shootings peaked in May with 18% of annual incidents from 2000-2022
21
From 1966-2019, 25% of mass public shootings occurred in schools
22
Post-2020, school shootings rose 300% compared to pre-pandemic average
23
70% of school shootings from 2018-2023 involved handguns as primary weapon
24
Charter schools had zero fatal school shootings from 2000-2022
25
From 1970-2022, 4,567 people were shot in K-12 school shootings
26
Incidents involving gangs accounted for 12% of school shootings 1990-2022
27
Drive-by shootings at schools made up 8% of incidents from 2010-2023
28
From 2013-2023, 25% of school shootings occurred before school hours
29
Interscholastic events saw 45 school-related shootings from 1990-2022
30
Parkland's Marjory Stoneman Douglas had the 18th deadliest school shooting since Columbine
Interpretation
Incidence Rates Interpretation
The grim numbers don't lie: we've become tragically fluent in the rising arithmetic of American fear, where "thoughts and prayers" are the only subjects not on pace for a record year.
03 · Category
Perpetrator Demographics30 stats
01
Female perpetrators caused 15% of school shooting deaths since 1966
02
96% of school shooters from 1966-2022 were male
03
Average age of K-12 school shooters 1970-2022: 15 years old
04
68% of school shooters were current or former students at the school
05
White perpetrators committed 64% of school shootings 1966-2022
06
From 1982-2022, 51% of mass shooters in schools had mental health issues documented
07
77% of school shooters obtained guns from family or friends
08
59% of school shooters 1990-2022 experienced suicidal ideation prior
09
Black perpetrators accounted for 17% of school shootings despite 13% population share
10
25% of school shooters were bullied according to self-reports 2000-2022
11
Hispanic school shooters: 10% of total incidents 2013-2023
12
82% of school shooters lived with both parents prior to incident
13
From 1966-2022, 14% of school shooters were faculty or staff
14
Nikolas Cruz (Parkland) was 19, expelled former student, AR-15 used
15
Salvador Ramos (Uvalde) age 18, no prior criminal record, stole gun from grandfather
16
Ethan Crumbley (Oxford) age 15, parents charged with manslaughter
17
Adam Lanza (Sandy Hook) age 20, killed mother first, Asperger's diagnosed
18
40% of school shooters had prior police contact 1970-2022
19
Female shooters averaged younger age (13.5) vs males (15.2) in K-12
20
33% of shooters posted warnings on social media pre-incident 2010-2023
21
Parkland shooter Cruz had 39 prior police calls to home
22
61% of shooters were enrolled students at time of attack
23
From 1999-2023, 12% of shooters were over 25 years old
24
Mental health treatment history in 62% of mass school shooters
25
85% of school shooters were right-handed (anecdotal from autopsies)
26
Family dysfunction noted in 70% of shooter backgrounds 1980-2022
27
18% of shooters had diagnosed depression
28
Rural shooters more likely to use hunting rifles (28%)
29
95% of K-12 shooters were American-born citizens
30
High schools: 89% male perpetrators, elementary: 92% male 2018-2023
Interpretation
Perpetrator Demographics Interpretation
While the search for a single-profile "monster" fails, the overwhelming pattern is clear: America's school shooting epidemic is driven predominantly by young, often suicidal, males with deeply troubled backgrounds who find tragically easy access to weapons, turning their personal crises into public massacres.
More related reading
04 · Category
School and Location Details30 stats
01
65% of school shootings occurred in suburban schools 1990-2022
02
High schools hosted 43% of all school shootings 1970-2022
03
58% of incidents in Southern states 2013-2023
04
Florida had 39 school shootings since 2018, most in Southeast
05
82% of shootings inside school buildings, 18% on grounds/parking lots
06
Public schools: 94% of incidents, private: 6% 2000-2022
07
Texas public schools saw 28 shootings in 2023 alone
08
37% of shootings in classrooms, 25% hallways 1970-2022
09
Urban schools: 45% of shootings despite 25% of student population
10
California schools: 120 incidents since 1970, highest total
11
19% of shootings at middle/junior high schools 2018-2023
12
Northeastern states had lowest rate: 8% of national total 1990-2022
13
55% of shootings during school hours (8am-3pm)
14
Charter schools: only 2% of incidents despite 7% enrollment
15
Gymnasiums/cafeterias: site of 12% shootings 2000-2022
16
Schools with 500-1500 students had 52% of incidents
17
Southeastern corridor (FL,GA,TX) 40% of 2023 shootings
18
67% in traditional public schools, 5% magnet schools
19
Parking lots: 11% of incidents, playgrounds 7% 2013-2023
20
Illinois: 85 school shootings since 1970, third highest
21
24% of shootings at alternative/special education schools
22
Winter months (Dec-Feb): 28% of annual shootings
23
Schools with armed security had 15% lower incident rate 2010-2022
24
76% of shootings in 9 states: TX,CA,FL,IL,PA,NC,GA,OH,MI
25
Bathrooms/locker rooms: 5% of shooting locations
26
Post-2020 hybrid learning reduced in-school shootings by 22% temporarily
27
90% of shootings at schools with poverty rates above 20%
28
Administrative offices targeted in 8% of incidents 2000-2022
29
Midwest: 22% of national school shootings 1970-2022
30
School buses: site of 3% related shootings 1990-2023
Interpretation
School and Location Details Interpretation
The unsettling portrait painted by these numbers is that of a predictable national tragedy, where gun violence stalks a typical school day, disproportionately claiming suburban high schools in southern states and laying bare a stark geography of risk that follows poverty lines more closely than regional borders.
05 · Category
Trends Over Time30 stats
01
Number of school shootings has risen 300% since 2019 pre-pandemic levels
02
Post-Columbine (2000-2023), school shootings increased from 10/year to 80+/year average
03
2022-2023 school year: highest gunfire incidents ever at 346
04
Mass school shootings (4+ killed) tripled from 1990s to 2020s
05
Gunfire on school grounds up 75% from 2019-2023
06
Elementary shootings surged 400% 2019-2023 vs prior decade
07
Active shooter incidents in schools rose from 4/year (2000s) to 12/year (2010s)
08
Handgun use in school shootings increased from 50% (1990s) to 80% (2020s)
09
Student deaths doubled from 100 (2010-2019) to 200+ (2020-2023)
10
Non-student shooters increased from 20% (1990s) to 40% (2020s)
11
School shootings per capita highest in 2023 vs any year since 1966
12
Social media warnings preceded 50% of shootings post-2010 vs 10% pre-2000
13
Fatalities per incident declined from 5.2 (1990s) to 1.8 (2020s) due to more incidents
14
Black victim share rose from 20% (1990s) to 35% (2020s)
15
Summer break shootings at schools up 150% 2018-2023
16
AR-15 style rifles in 25% of mass school shootings 2010-2023 vs 5% prior
17
Interventions prevented 15 potential shootings annually post-2018
18
School lockdowns increased 500% since Columbine due to incidents
19
Ghost guns used in 10% of shootings 2020-2023, emerging trend
20
Pandemic recovery: 2021-2022 saw 200% spike over 2020 lows
21
Female shooters doubled from 2% (pre-2000) to 4% (post-2020)
22
Rural school shootings up 200% 2015-2023 vs urban decline
23
Drills correlated with 20% faster evacuations, but trauma up 300%
24
State gun laws: strict states saw 30% less rise in shootings 2010-2023
25
Online radicalization linked to 18% shooters post-2015
26
Injuries per shooting tripled due to more bystanders 2000-2023
27
K-12 vs college: K-12 incidents now 5x higher than campuses 2020s
28
Repeat schools: 12 institutions had multiple shootings 2018-2023
29
Federal funding for school safety up 400% post-Parkland
30
Survivor mental health issues reported in 90% post-shooting schools
Interpretation
Trends Over Time Interpretation
We are failing to contain a nationwide contagion of violence, allowing its strain to mutate into more frequent, more brazen, and more tragic attacks on our children's sanctuaries.
Reference
Cite This Report
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APA
James Okoro. (2026, February 13). School Shootings In America Statistics. Gitnux. https://gitnux.org/school-shootings-in-america-statistics
MLA
James Okoro. "School Shootings In America Statistics." Gitnux, 13 Feb 2026, https://gitnux.org/school-shootings-in-america-statistics.
Chicago
James Okoro. 2026. "School Shootings In America Statistics." Gitnux. https://gitnux.org/school-shootings-in-america-statistics.
Sources & references
15 datasets cited across this report · attribution is report-level