What Happened at Columbine
On April 20, 1999, two students attacked Columbine High School in Littleton, Colorado, killing 12 students and one teacher before dying. The event became one of the most widely studied school shootings in U.S. history.
How Columbine Families Have Changed Over 20 Years
Many parents and siblings founded advocacy groups focused on school safety, mental health resources, and victim support. Some families work with organizations that help communities prepare for and respond to violence.
Lasting Impact on Schools and Communities
Schools across the country updated security plans, crisis drills, and threat assessment teams after Columbine. Support networks for survivors and families continue to connect people affected by school violence.
