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Fact check: What is the correlation between mental health and mass school shootings?

Checked on September 14, 2025

1. Summary of the results

The correlation between mental health and mass school shootings is a complex issue, with multiple factors contributing to these tragic events [1]. While mental illness may play a role in some cases, it is not the primary cause of mass shootings, with only 5% of mass shootings related to severe mental illness [1]. Exposure to school shootings can have long-lasting effects on students' mental health, educational outcomes, and economic well-being [2], including increased antidepressant use, drops in student enrollment, decline in average test scores, and lower lifetime earnings [2]. Early intervention and community involvement are crucial in preventing school shootings, with research showing that 94% of plotters shared their intentions with others [3]. A broader understanding of the causes of mass shootings, including social, cultural, and economic factors, is necessary to address this issue [4].

2. Missing context/alternative viewpoints

Some key context missing from the original statement includes the importance of centering survivor perspectives in research on school shootings [5], which can provide valuable insights into the long-term mental health impacts of these events. Additionally, the cultural romanticization of violence may play a significant role in mass shootings [1], highlighting the need for a more nuanced understanding of the underlying causes. Diversifying research approaches and populations can help capture the experiences of survivors and better understand the complexities of this issue [5]. Furthermore, addressing the needs of students who have experienced school shootings is crucial, beyond just the immediate physical harm [2]. Nihilism, emptiness, and a desire for notoriety may also contribute to mass shootings, emphasizing the need for a more comprehensive approach to prevention and policy [1].

3. Potential misinformation/bias in the original statement

The original statement may be misleading in its implication that mental health is the primary cause of mass school shootings, as only 5% of mass shootings are related to severe mental illness [1]. This framing may benefit those who seek to stigmatize mental illness or divert attention from other contributing factors, such as the gun lobby or politicians who oppose stricter gun control laws [1]. On the other hand, emphasizing the importance of mental health support and resources may benefit mental health professionals, researchers, and organizations that provide support services to survivors of school shootings [2]. A more nuanced understanding of the causes of mass shootings, including social, cultural, and economic factors, is necessary to develop effective prevention strategies and policies [4].

Want to dive deeper?
What percentage of mass school shooters have a diagnosed mental health condition?
Can mental health screening prevent mass school shootings?
How does the US mental health system address potential school shooters?
What is the difference between mental health and behavioral warning signs in mass shooters?
Do other countries with stricter gun laws have a lower incidence of mass school shootings?