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Source
Release date
May 2018
Region
Worldwide
Survey time period
2009 to May 21, 2018
Supplementary notes
The source defines school shootings as incidents involving at least one person being shot (not including the shooter) on school grounds. The values include grades Kindergarten through college/university level as well as vocational schools. Accidental discharges of a firearm are included, as long as the first two parameters are met.
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