This April marks the 25th anniversary of theĀ ColumbineĀ High School massacre, a watershed moment in American history that has become emblematic of a harrowing chapter in our national narrative on gun violence and mass shootings. The tragedy ofĀ Columbine, where two students embarked on a meticulously planned attack, leaving 13 dead and 24 injured, was not just a moment of national mourning but a turning point that shifted the American psyche.
We are criminologists who study gun violence. This January, we surveyed 10,000 Americans about their experience with and exposure to mass shootings.
We asked each of them a poignant question: āPlease name the first mass shooting that comes to mind that occurred in your lifetime?ā The question was open-ended. There was no drop-down menu of options to choose from. We simply wanted to know the event they associated with a mass shooting.
Astonishingly, 35% of respondents — over 3,500 people ā cited Columbine. No other event, not even the gut-wrenching school shootings at Sandy Hook (10%), Parkland (5%), or Uvalde (2%), which were the next most cited, respectively, came close to this level of recall, despite Columbine predating them by years. The deadliest mass shooting in U.S., history, where 60 concertgoers were killed in Las Vegas in 2017, was listed by 2% of respondents.
The significance ofĀ ColumbineĀ transcends its tragic tallies. It has become what social scientists call aĀ framing eventĀ for how Americans perceive and process the horror of mass shootings, a shorthand for terror. Like the moon landing in 1969 or the attacks on September 11, people remember precisely where they stood on April 20, 1999;Ā ColumbineĀ is a cultural anchor.
Part of the reason is thatĀ ColumbineĀ was among the first mass shootings in the digital age, receiving unprecedented media coverage that not only brought horror into every American living room but also set a template for infamy, inspiring a darkĀ subcultureĀ that glorifies the perpetrators. As we document in our book,Ā The Violence Project: How to Stop a Mass Shooting Epidemic, this phenomenon has led to a cycle of emulation, where subsequent shooters seek to replicate or surpass previous atrocities. The result is a chillingĀ blueprintĀ for violence that has been copied time and again.
ColumbineĀ both defines and distorts our understanding of mass shootings and school shootings. The myths that sprang forth from his tragic event, seared into the national consciousness, from the influence of violent media to the image ofĀ bullies and black trench coats, simplified complex motives, amplified fears, skewed public discourse, and ultimately obscured the path to genuine solutions.
Columbine catalyzed a seismic shift in how schools, communities, and law enforcement respond to the threat of mass shootings. It spurred a multi-billion-dollar school security industry and instilled a generation with the protocol to ārun, hide, fight.ā But our fortification of schools, unproven surveillance technologies, and āgood guys with gunsā have not stopped school shootings nor even slowed them down. There have been 394 school shootings since 1999.
Strikingly, our data highlight a generational divide inĀ Columbineās legacy. From Millennials to the Silent Generation,Ā ColumbineĀ was listed anywhere from 3 to 10 times more often than any other mass shooting, but for Gen X specifically — in their 20s and 30s when the shooting occurred āĀ ColumbineĀ came immediately to mind for 52% of respondents. For Gen Z ā not yet alive for the shooting ā it came to mind just 8% of the time, although still more than more recent tragedies at Parkland and Uvalde.
For Generation X, now navigating their 40s and 50s, the specter ofĀ ColumbineĀ looms large in their collective consciousness. But for their children, the legacy of that tragedy is not just a shadow in their minds–it¶¶Ņõap a palpable part of their daily existence. This younger generation confronts the aftermath ofĀ ColumbineĀ through tangible, everyday rituals: participating in lockdown drills, walking through metal detectors, and shouldering bulletproof backpacks as they enter their schools. They bear the weight of a harrowing event they have no direct memory of, a chilling inheritance felt through the presence of armed guards and strict access controls in once-open spaces, and an ever-present sense of vulnerability.
We must never forgetĀ ColumbineĀ ā the victims, the survivors, the first responders, and the community forever altered by its shadow. But only by looking forward can we turn the page on the copycat violence, confusion, and consequential policy it spawned. Weāve learned a lot about theĀ root causesĀ of mass shootings sinceĀ Columbine. Yet, these root causes–despair, trauma,Ā isolation, the pursuit of infamy, and the ease of obtaining firearmsāpersist, largely ignored, and unremedied.
On this somber anniversary, let us confront the complexities of gun violence and make the changes necessary to relegate school mass shootings to history.
By developing systems for crisis reporting and intervention, providing strong mental health resources and support in schools, starving mass shooters of the oxygen of publicity,Ā implementing measures for the safe storage of firearms, and limiting access to them, especially for teenagers and individuals in crisis, we can prevent the recurrence of such tragedies andĀ leaveĀ the next generationĀ withĀ a new legacy.
David Pyrooz is an associate professor of sociology at the University of Colorado Boulder. James Densley at Metropolitan State University and Jillian Peterson at Hamline University are the co-directors of The Violence Project.
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