Violence in America's Schools

The 1999 assault at Columbine High School by teen gunmen Eric Harris and Dylan Klebold served as a wakeup call for Americans about school violence. Harris and Klebold killed 13 people and wounded 23 others before committing suicide.

This was not an isolated incidence of school violence. For example, Patrick Purdy entered the Cleveland School in Stockton, California, and shot five students to death. He wounded 30 more, and then committed suicide.

Kahlil Sumpter, a 15-year-old New York City hig...