In 1998-1999, the year of the Columbine massacre, the death toll was 23. With this year's decrease to nine, analysts credit the shock of Columbine with prompting greater awareness. Now, educators are looking for the early warning signs and involving mental-health professionals. They're enhancing their school safety and security, carving out a much greater role for law enforcement. For example, a Harrisburg, Pa., student recently was sent home for bringing a toenail clipper to school.
Administrators admit the first line of defense against violence is the students themselves.
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