| K-12 School (K-12) plus College and University (C&U) Shootings
Resulting in Death and Injury from 1999 – 2019 |
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| Description | K-12 | C & U | Total |
| Total Number of Incidents | 872 | 258 | 1130 |
| Total Number Killed | 402 | 240 | 642 |
| Total Number Injured | 811 | 360 | 1171 |
| Total Number Killed and Injured | 1213 | 600 | 1813 |
| Total Number of Coordinated Attacks | 48 | 70 | 118 |
| Total Number of Uncoordinated Attacks | 755 | 167 | 922 |
| Total Number of External Threats | 497 | 124 | 621 |
| Total Number of Internal Threats | 375 | 92 | 467 |
Calendar Year Averages
Total Number of Incidents = 56.5
Total Number Killed = 32.1
Total Number Injured = 58.55
Total Number Killed and Injured = 90.65
School Year Averages Based on 180 days1 (6 months)
9.42 Incidents per school year month
5.35 Killed per school year month
9.76 Injured per school year month
15.12 Killed and injured per school year month
3.02 Killed and injured per school year week2