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The majority of shootings are the result of disputes or domestics, followed closely by indiscriminate shootings such as the one in Parkland FL last year.

It has been a year since the tragedy that left 17 dead in Parkland, Florida. It has also been 19 years since the Columbine shooting that left 15 dead, and 6 years since 20 children and 6 adults were killed in an elementary school in Newtown, Connecticut.

It doesn’t seem like school shootings are diminishing, based on the evidence we have. There have been over 200 shootings on school property since Columbine, most of which don’t catch media attention. Most of these shootings occur due to a dispute or domestic, followed closely by indiscriminate shootings such as the one in Parkland. Accidental discharges (many of which were elementary and middle-schoolers), gang incidents, suicides, and robberies being the least common incidents.

These are all events that happened on a school campus in the United States during a school day, but not necessarily ones resulting in casualties. The information is gathered from the Center of Homeland Defense and Security K-12 School Shooting Database.