Figures include suicides and adult deaths as well as homicides of students.
Figure includes Jefferson County, Colo., fatalities as of late last week.
Justice Policy Institute. Timeline A series of school slayings drew national attention during the 1997-98 school year. Four students and a teacher are shot to death, and 10 others are wounded, at the 250-student Westside Middle School in Jonesboro, Ark. Two students, ages 11 and 13, have been convicted of murder in juvenile court and could be held until age 21. Miss. The gunman, who was 16 at the time, had slit his mother's throat before going to the school. He is serving a life sentence.