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School security has become one of the most critical — and most scrutinized — aspects of modern education. From security cameras to armed officers, schools are investing more than ever to protect students and staff. This page compiles the most current, verified statistics on school security measures, shooting incidents, and the evolving landscape of K-12 safety across the United States.
The data on school shootings in recent years paints a complex picture — one of persistent danger but also of measurable improvement. Understanding these figures is essential for school administrators, security professionals, and policymakers working to make schools safer.
Calendar year 2025 recorded 233 K-12 shooting incidents — the lowest annual total since 2020, and a substantial drop from the 352 incidents recorded in 2023. The 2024–25 school year total of 254 incidents likewise came in well below the roughly 330-incident average of the preceding three school years.
| Period | Shooting Incidents | Source |
|---|---|---|
| 2023 (calendar year) | 352 — recent peak | K-12 SSDB |
| 2024 (calendar year) | 219+ | K-12 Dive / Everytown |
| 2024–25 (school year) | 254 | Campus Safety Magazine |
| 2025 (calendar year) | 233 — lowest since 2020 | K-12 Dive / K-12 SSDB |
Calendar-year and school-year counts are not directly comparable — they cover different periods and different trackers apply different inclusion criteria. Both are shown because both are widely cited.
Nationally, gun violence fatalities reached approximately 38,760 in 2025, down from 41,044 in 2024, according to K-12 Dive. The decline on school campuses has tracked the broader national trend — the FBI reported violent crime nationally fell 9.3% in 2025, the largest single-year drop since 1936.
Between 2000 and 2022, 131 people were killed and 197 wounded in active shooter incidents at K-12 schools — a total of 328 casualties over more than two decades. This data comes from the FBI and was compiled by the National Center for Education Statistics (NCES).
Incident counts falling does not mean exposure has returned to historical norms. According to a major study by KFF and The Washington Post, student exposure to school shootings has nearly tripled over two decades:
That is a 2.7-fold rise in the exposure rate. Millions of additional students have been directly or indirectly affected by gun violence in their learning environments, and the psychological toll — PTSD, anxiety, chronic absenteeism — extends far beyond immediate victims.
This is the tension school administrators have to hold: annual incident counts are improving, but the baseline a student experiences across a K-12 career remains far above where it stood a generation ago. Recent progress is real; it has not undone the long-term shift.
The National Center for Education Statistics (NCES) conducts the School Survey on Crime and Safety (SSOCS), which provides the most comprehensive picture of security practices in American public schools. The 2021–22 survey remains the most recent cycle published:
| Security Measure | % of Schools | Trend |
|---|---|---|
| Controlled access to buildings during school hours | 97% | Near-universal |
| Visitor sign-in and badge requirement | 97% | Near-universal |
| Security cameras | 93% | Up 32 points from 61% (2009–10) |
| Locked entrance/exit doors during the day | 85% | Widely adopted |
| Security guards or assigned police officers | 75% (students reporting) | Standard practice |
| Anonymous threat reporting system | 62% | Up 26 points from 36% (2009–10) |
| Security staff on-site weekly | 61% | Down 4 points from 65% (2019–20) |
| Random metal detector checks | 6% | Rare |
| Daily metal detector checks | 2% | Very rare |
Source: All figures from NCES SSOCS 2021–22 and the NCES Condition of Education Indicator.
Access control is the cornerstone of school security, and the numbers show that American schools have embraced this concept almost universally. According to NCES SSOCS 2021–22:
These nearly universal adoption rates demonstrate that access control is no longer optional — it's the baseline expectation for any school in America. However, the effectiveness of access control depends entirely on implementation quality. A locked door with a buzzer is meaningless if anyone can be buzzed in without verification.
"Access control is only as strong as the people managing it. Technology opens and closes doors — but trained security professionals make the judgment calls about who gets through. Schools need both the systems and the staffing to make their security programs truly effective."
— Amanda DeAlmeida, Executive Vice President, Building Security Services
Effective school access control includes multiple layers: perimeter fencing, single-point entry, visitor management systems with background screening capabilities, ID badge protocols, and trained security personnel who can verify identities and assess threats in real time. BSS provides comprehensive school security services that integrate all of these layers into a cohesive program.
Despite the proven value of on-site security professionals, the data reveals a concerning gap. According to NCES SSOCS 2021–22:
This is the single most striking finding on the page: every other security measure went up, and staffing went down. Camera coverage climbed 32 points over a decade. Anonymous reporting climbed 26. Access control reached near-universal adoption. On-site security staffing moved the other way.
The 2019–20 to 2021–22 period coincided with widespread debates about police in schools and budget pressures from the pandemic. Whatever the cause, the result is a structural imbalance: schools now have extensive capability to observe a developing threat and thinner capability to respond to one.
Professional security guards in school settings serve functions that go far beyond standing at a door. Their responsibilities typically include:
The most effective school security programs use trained, professional security guard services who understand the unique dynamics of educational environments. Guards who are specifically trained for school settings know how to balance vigilance with approachability — keeping campuses safe without creating a prison-like atmosphere.
Nationally, the security industry employs 1,283,470 security guards across all sectors (BLS OEWS, May 2025). Educational services represent a significant employer within this market, with schools and educational institutions among the top sectors for security guard employment (BLS OEWS, May 2023).
The educational services sector reports a workplace violence rate of 8.4 incidents per 10,000 full-time equivalent workers — nearly three times the all-industry rate of 2.9 — underscoring the real risks that security personnel help mitigate (BLS, 2021–2022). Only healthcare, at 14.2, runs higher. See our workplace violence statistics for the full industry comparison.
The growth of surveillance technology in schools has been one of the most dramatic shifts in K-12 security over the past 15 years. According to NCES SSOCS 2021–22:
This adoption rate reflects falling technology costs, increasing ease of installation, and growing recognition that camera systems are essential for both deterrence and post-incident investigation.
Modern school security extends well beyond basic CCTV. Today's schools are increasingly deploying integrated technology solutions that include:
However, technology alone is not a security plan. Cameras cannot intervene in a developing threat. Gunshot detection systems react after shots are fired. Given that camera coverage reached 93% while on-site staffing fell to 61%, the gap between detection and response capability is now the defining weakness in American school security. The most effective programs pair technology with trained human professionals who can interpret data, make judgment calls, and physically respond when needed.
Despite public perception, metal detectors remain uncommon in American schools. NCES data shows:
The low adoption rate reflects concerns about cost, throughput (getting students through detectors quickly enough), and the institutional culture impact. Many schools prefer the layered security approach — combining access control, cameras, security personnel, and threat reporting — over metal detectors alone.
One of the most significant positive trends in school security is the growth of anonymous threat reporting systems. According to NCES SSOCS 2021–22:
This growth reflects recognition that students and staff are often the first to notice warning signs. Providing a safe, anonymous way to report concerns has proven effective at preventing incidents before they escalate.
One of the most successful anonymous tip programs is the "Say Something" tip line operated by Sandy Hook Promise. According to reporting from PublicSchoolReview (citing The Washington Post):
These numbers demonstrate the scale at which anonymous reporting works. Each of those 18 intercepted threats represents a potential tragedy prevented because someone felt empowered and safe enough to speak up.
Threat reporting systems work best when they're part of a comprehensive security ecosystem — one that includes trained security personnel who can evaluate reports, coordinate with law enforcement, and take protective action. A tip line without staff to act on it is another detection layer without a response layer.
The statistics tell a clear story: schools have made substantial progress in adopting security measures, but a significant gap remains — and it is specifically in on-site staffing.
Consider the trend lines side by side. Camera coverage: 61% → 93%. Anonymous reporting: 36% → 62%. Controlled access: 97%, effectively universal. On-site security staffing: 65% → 61%, moving down.
American schools have systematically built out their ability to see and hear about threats while letting their ability to physically respond erode. A camera records an incident. A tip line reports one. Neither intervenes. That gap is the clearest actionable finding in the entire dataset.
The most secure schools in America employ a layered approach that combines:
No single layer is sufficient on its own. Layers 1, 2, 4, and 5 have all advanced substantially over the past decade. Layer 3 has not.
"When we work with school districts, the conversation always starts with risk assessment — understanding the specific threats and vulnerabilities unique to each campus. A school in an urban setting faces different challenges than one in a suburban community. Cookie-cutter security doesn't work. The districts making the most progress are the ones that stopped treating cameras and staffing as either/or budget decisions."
— Amanda DeAlmeida, Executive Vice President, Building Security Services
93% of U.S. public schools used security cameras as of the 2021–22 school year, up 32 percentage points from 61% in 2009–10. Camera adoption is now one of the most widespread security measures in American education, behind only controlled building access and visitor sign-in at 97% each.
Only 61% of public schools had one or more security staff present at least once a week as of 2021–22 — down from 65% in 2019–20. Separately, 75% of students report security guards or assigned police officers at their school. Security staffing is the only major school security measure that has declined rather than grown.
Decreasing in recent years. Calendar year 2025 recorded 233 K-12 shooting incidents — the lowest total since 2020 and well below the 352 recorded in 2023. The 2024–25 school year saw 254 incidents, also below the roughly 330-incident average of the preceding three years. However, student exposure remains far above historical levels.
It has nearly tripled. Between 1999–2004, roughly 19 students per 100,000 were exposed to a school shooting. By 2020–2024 that figure had reached 51 per 100,000 — a 2.7-fold rise. Recent annual declines in incident counts have not undone this longer-term shift, which is why exposure and incident counts can move in different directions.
Rarely. Only 2% of schools conduct daily metal detector screenings and 6% conduct random checks. The low adoption reflects cost, throughput problems getting students through detectors quickly, and concerns about institutional culture. Most schools favor layered security — access control, cameras, personnel, and threat reporting — over screening at the door.
Educational services report a workplace violence rate of 8.4 incidents per 10,000 full-time equivalent workers — nearly three times the all-industry rate of 2.9. Only healthcare and social assistance, at 14.2, runs higher among major sectors. Teachers, administrators, and support staff face measurably elevated risk compared with most other occupations.
The gap between detection and response. Camera coverage rose from 61% to 93%, anonymous threat reporting from 36% to 62%, and controlled access reached 97% — while on-site security staffing fell from 65% to 61%. Schools have systematically built the ability to observe threats while their capacity to physically intervene has eroded. A camera records an incident and a tip line reports one; neither stops one.
Building Security Services provides trained, professional security guards for K-12 schools, universities, and educational institutions across the New York and New Jersey metro area. Our school security programs are tailored to your campus, your community, and your budget.
Get a Free School Security Quote →All statistics cited on this page are drawn from verified, authoritative sources including federal agencies, academic institutions, and recognized research organizations. We prioritize primary sources and note the reference period for each data point. Key sources include:
Methodology note: This page compiles statistics from multiple authoritative sources. The NCES SSOCS 2021–22 cycle remains the most recent national survey of school security practices published as of September 2026; those figures are labeled accordingly rather than presented as current-year data. Shooting incident counts vary between sources due to differing definitions and inclusion criteria (school year vs. calendar year, on-campus vs. near-campus), and calendar-year and school-year totals are not directly comparable. We present multiple data points where discrepancies exist to provide the fullest picture possible.
This page is maintained by Building Security Services (BSS) and is updated periodically as new data becomes available. For questions about our school security services or to request a quote, please contact us.
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