- The average number of school-associated violent events with multiple victims has increased from one event per school year in 1992 to five events per year in 1998 .
CDC Safe USA website: http://www.cdc.gov/safeusa/youthviolence.htm
- In the 1992-2001 school years, shooting was the leading cause of violent deaths in schools (77%), and 68% of all school violent deaths occurred in high schools.
National School Safety Center 's Report on School Associated Violent Deaths, last updated 3/5/01. http://www.nssc1.org/
- 45% of elementary schools reported one or more violent incidents compared with 74% of middle schools and 77% of high schools.
1998: National Center for Education Statistics. Violence and Discipline Problems in US Public Schools: 1996-97. US Department of Education, Washington, DC.
- Of American high school students in 2001, 17% had carried a weapon including guns, knives or clubs in the 30 days before the survey – a 33% decrease from 1991.
Centers for Disease Control and Prevention, National Center for Chronic Disease Prevention and Health Promotion, Youth Risk Behavior Surveillance System Online http://apps.nccd.cdc.gov/YRBSS