Thomas Jefferson High School, Brooklyn, New York. A 15-year old shoots and kills two other students. The shooter, Kahlil Sumpter, was sentenced in 1993 to between 6 2/3 and 20 years in prison. He was released in 1998.
Teacher and three students killed.
Frontier Junior High School, Moses Lake, Washington. Barry Loukaitis, 14, takes a rifle to school and kills two classmates and a teacher. He was sentenced to life in prison.
Three girls killed from school prayer group.
Westside Middle School, Jonesboro, Arkansas. Andrew Golden, 11, and Mitchell Johnson, 13, ambush fellow students and their teachers, killing five. Johnson is incarcerated in a youth facility and released on his 21st birthday in August 2005. Golden is released on his 21st birthday in May 2007.
Thurston High School, Springfield, Oregon. After killing his parents the previous day, 15-year old Kip Kinkel returns to Thurston High armed with a rifle. He kills two students in the school cafeteria, a 16- and a 17-year old. He is sentenced to 112 years in prison.
12 students and one teacher killed.
Santana High School, Santee, California. Charles “Andy” Williams, 15, kills two classmates, a 14-year old and a 17-year old, and injures 13. Williams is sentenced in 2002 to at least 50 years in prison.
eff Weise, 16, kills his grandfather and another adult, four fellow students, a teacher and a security officer. He then killed himself.
Student Daniel Parmertor, 16, is killed and four others wounded when student T.J. Lane opens fire in the school, authorities say. On February 28, Demetrius Hewlin, 16, dies from his wounds, and Russell King Jr., 17, is declared brain-dead. On March1, T.J. Lane is charged with three counts of aggravated murder, two of attempted aggravated murder and one of felonious assault.