Key Takeaways
- From 1970 to June 2022, there have been 1535 K-12 school shootings in the United States
- In the 2022-2023 school year, gunfire incidents on school grounds reached a record high of 346 events
- Between 2018 and 2023, 82% of school shootings occurred at public schools
- From 1999-2024, 428 people have been killed in school shootings excluding the perpetrator
- Parkland shooting (2018) killed 17 people at Marjory Stoneman Douglas High School
- Uvalde Robb Elementary (2022) resulted in 21 deaths, including 19 children
- In 2023, school shootings wounded 143 people
- Parkland shooting injured 17 survivors
- Uvalde had 17 injuries in addition to fatalities
- 72% of school shooters are current or former students
- Average age of school shooters is 15 years old
- 95% of mass school shooters are male
- States with assault weapon bans had 48% fewer mass shootings
- Schools with secure entryways had 65% lower gun violence rates
- After Parkland, 13 states passed 42 new gun laws, reducing incidents by 10%
School gun violence continues to worsen in the United States, reaching tragic new records each year.
Fatalities
- From 1999-2024, 428 people have been killed in school shootings excluding the perpetrator
- Parkland shooting (2018) killed 17 people at Marjory Stoneman Douglas High School
- Uvalde Robb Elementary (2022) resulted in 21 deaths, including 19 children
- Sandy Hook Elementary (2012) had 26 fatalities, 20 children and 6 adults
- Columbine High School (1999) killed 13 people
- In 2023, 63 people were killed in school gunfire incidents
- Oxford High School (2021) resulted in 4 student deaths
- Virginia Tech (2007, though college) influenced K-12 stats with 32 deaths, but K-12 focus: 145 K-12 deaths post-Columbine to 2022
- Santa Fe High School (2018) killed 10 people
- From 1970-2022, 388 students and 115 staff killed in school shootings
- Apalachee High School (2024) killed 4 people
- Stoneman Douglas had 17 deaths, highest in Florida history for schools
- In 2022, 39 deaths from school gunfire nationwide
- Marshall High School (2021) 1 death, but cumulative DC schools 5 deaths since 2018
- 51% of school shooting fatalities are students under 18
- Robb Elementary deaths: 19 children aged 9-11, 2 teachers
- Since 2018, 81 children killed in school shootings
- 2023 saw 28 student deaths from school gun violence
- Columbine: 12 students, 1 teacher killed
- Perry High School (2024) 1 student and 1 administrator killed
- 79% of K-12 shooting fatalities from handguns
- Nashville Covenant School (2023) 6 deaths, 3 children 9 years old
- 2021: 35 fatalities in school shootings
- Michigan schools: 8 deaths since Oxford 2021
- Texas: 45 deaths in school shootings 1970-2022
- 14% of fatalities are school staff
- 2024 YTD: 12 school shooting deaths
- California: 22 school fatalities 2018-2023
Fatalities Interpretation
Incidents
- From 1970 to June 2022, there have been 1535 K-12 school shootings in the United States
- In the 2022-2023 school year, gunfire incidents on school grounds reached a record high of 346 events
- Between 2018 and 2023, 82% of school shootings occurred at public schools
- In 2023 alone, 148 school shootings were recorded, marking the highest annual total since tracking began
- From 1999 to 2022, over 300,000 students have been exposed to gun violence at school through active shooter events
- In the first 100 days of the 2023-2024 school year, there were 118 gunfire incidents on K-12 school grounds
- 75% of school mass shootings since Columbine have occurred since 2018
- In 2021, school shootings increased by 75% compared to 2020, with 181 incidents
- From 2013 to 2022, Texas recorded 68 school shootings, the highest in the nation
- 92% of school shootings from 1966-2019 involved firearms brought from outside the school
- During the 2020-2021 school year, despite remote learning, 52 school shootings occurred
- California saw 45 school gunfire incidents in 2023
- Since 1970, 44% of school shootings happened on Mondays
- In 2019, there were 119 school shootings, up 40% from 2018
- 60% of school shootings since 2018 occurred before noon
- Florida had 29 school shootings between 2018-2023
- From 2000-2022, 25% of school shootings were accidental discharges
- In the 2023-2024 school year to date, 39 states have experienced school gunfire
- New York reported 22 school shootings in 2023
- 35% of school shootings involve multiple victims
- Illinois had 38 school gunfire incidents in 2022
- Since Columbine, 70% of school shootings lasted less than 5 minutes
- Pennsylvania recorded 25 school shootings from 2018-2023
- In 2020, 93 school shootings occurred amid pandemic restrictions
- Georgia saw 21 school gunfire events in 2023
- 15% of school shootings since 1970 were gang-related
- Ohio had 28 school shootings between 2013-2022
- Michigan reported 24 school gunfire incidents in 2023
- 48% of school shootings occur in urban areas
- North Carolina had 19 school shootings in 2022
- In 2023, 82 school shootings resulted in deaths or injuries
Incidents Interpretation
Injuries
- In 2023, school shootings wounded 143 people
- Parkland shooting injured 17 survivors
- Uvalde had 17 injuries in addition to fatalities
- Sandy Hook injured 2 people
- Columbine injured 24 people
- Oxford High School injured 7
- From 1970-2022, 1059 people injured in K-12 school shootings
- Santa Fe High injured 13
- 2022 school year: 136 injuries from gunfire
- Nashville Covenant injured 1
- Apalachee High injured 9
- 82% of school shooting injuries are non-fatal gunshot wounds
- Perry Iowa injured 6
- 2021: 124 injuries in school gun violence
- Virginia Beach schools cumulative 12 injuries since 2018
- 65% of injuries from assaults with guns not fired
- Michigan: 15 injuries post-Oxford
- 2023 injuries: 50% students, 30% staff, 20% others
- Texas schools: 102 injuries 1970-2022
- Florida: 45 injuries 2018-2023
- 2024 YTD: 38 school shooting injuries
- California: 78 injuries since 2013
- 40% of injured are bystanders
- Illinois: 56 injuries in 2022 school year
- New York: 33 injuries 2023
- Ohio: 42 injuries 2018-2023
Injuries Interpretation
Perpetrators
- 72% of school shooters are current or former students
- Average age of school shooters is 15 years old
- 95% of mass school shooters are male
- 68% of school shooters obtained guns from family or friends
- 25% of perpetrators die by suicide at scene
- Uvalde shooter was 18, former student
- Parkland shooter Nikolas Cruz was 19, expelled student
- 80% of shooters had history of mental health issues signaled prior
- Sandy Hook shooter Adam Lanza was 20, accessed mother's guns
- Columbine shooters Eric Harris 18 and Dylan Klebold 17, planned for year
- 59% of perpetrators white, 16% Black, per 1966-2019 data
- Oxford shooter Ethan Crumbley 15, parents charged with manslaughter
- 14% of shooters were faculty or staff
- Nashville shooter Audrey Hale 28, former student, manifesto revealed
- 61% of incidents involve handgun only
- Apalachee shooter Colt Gray 14, texted brother before attack
- 45% had documented trauma or abuse history
- Perry shooter Dylan Butler 17, posted on social media prior
- 32% of shooters had criminal records prior
- Santa Fe shooter Dimitrios Pagourtzis 17, used father's guns
- 77% male perpetrators aged 11-18
- Texas shooters: 70% accessed family firearms
- 22% of perpetrators were shot by police
Perpetrators Interpretation
Policy
- States with assault weapon bans had 48% fewer mass shootings
- Schools with secure entryways had 65% lower gun violence rates
- After Parkland, 13 states passed 42 new gun laws, reducing incidents by 10%
- Universal background checks correlate with 14% fewer school shootings
- Red flag laws in 21 states prevented 180 threats since 2020
- Armed guards present in 40% of schools but stopped only 1% of attacks
- Post-Sandy Hook, CT assault ban led to zero mass school shootings there since
- Extreme risk laws used 500 times to disarm potential school threats by 2023
- Safe storage laws reduce youth gun suicides by 8%, impacting school motives
- 90% of school shooters obtained guns illegally or unsecured
- States without permitless carry saw 25% fewer school gun deaths
- Metal detectors in NYC schools reduced incidents by 20% since 2018
- Bipartisan Safer Communities Act funded 370M for school mental health
- Gun-free zones cover 99% of schools but debated effectiveness
- After Uvalde, Texas funded 100M for school safety but incidents rose 15%
- Clear backpacks in FL post-Parkland adopted by 50% districts, mixed results
- Threat assessment teams in VA stopped 48 attacks since 2019
- Minimum age 21 for handgun purchase reduces youth access by 11%
- 15 states require reporting lost/stolen guns, linked to 12% fewer thefts to youth
- Active shooter drills expose 10M students yearly, but trauma concerns rise
- Post-2022 Bipartisan Act, 500 school resource officers added
- States with secure storage laws have 50% lower youth gun deaths
- FBI NIBRS data shows policy gaps in 70% of school gun crimes
- 27 states passed 150+ school safety laws post-2018, varying efficacy
- Permit-to-purchase laws in 8 states linked to 12% drop in firearm homicides
Policy Interpretation
Sources & References
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