CNN —
There have been 23 school shootings in the United States so far this year, as of May 13. Fifteen were on college campuses, and eight were on K-12 school grounds. The incidents left nine people dead and at least 33 other victims injured, according to CNN’s analysis of events reported by the Gun Violence Archive, Education Week and Everytown for Gun Safety.
CNN cross checks these reports of school shootings against school and police accounts and media reports. All incidents of gun violence are included if they occurred on school property, from kindergartens through colleges/universities, and at least one person was shot, not including the shooter. School property includes but is not limited to, buildings, fields, parking lots, stadiums and buses. Accidental discharges of firearms a