Checklist of Characteristics of Youth Who Have Caused School-Associated Violent Deaths
none
http://www.nssc1.org/reporter/checklist.htm

Early Warning, Timely Response-A Guide to Safe Schools
A Guide to Safe Schools Identifies both anger and aggression as two of the many warning signs.
http://www.air-dc.org/cecp/guide/

Peaceful Schools - Warning Signs
List of warning signs that merit attention by educators and mental health experts. Signs are identified by age groups.
http://www.nwrel.org/request/oct98/article6.html

Watch for Signs. . . Take Action
List of warning signs that may be present when a student is dealing with anger.
http://128.121.17.146/ncpc/ncpc/?pg=2088-6162