Major U.S. school shootings in the last 10 years:
— Greenville, Texas. March 7, 2007. A 16-year-old male high school student fatally shot himself while in the band hallway area of the school around 7:15 a.m. No other students were injured. More than 100 parents rushed to the school to remove their students.
— Tacoma, Wash. Jan. 3, 2007. An 18-year-old male high school student was arrested for shooting and killing a 17-year-old male student at their school. The suspect allegedly shot the victim in the face and then stood over him, firing twice more.
— Springfield Township, Pa. Dec. 12, 2006. A 16-year-old male high school shot and killed himself with an AK-47 assault rifle in the hallway of his high school. The student, reportedly despondent over his grades, had the gun concealed in a camouflage duffle bag and fired one round in the ceiling to warn other students to get out of the way before committing suicide.
— Katy, Texas. Oct. 17, 2006. A 16-year-old male high school sophomore committed suicide by shooting himself with a handgun in the school's cafeteria courtyard.
— Nickel Mines, Pa., Oct. 2, 2006. A truck driver walked into a one-room Amish schoolhouse with two rifles, a semi-automatic handgun, and 600 rounds of ammunition, selected all the female students, and shot them execution-style, killing five and seriously wounding six. The man then shot himself, apparently having left suicide notes beforehand.
— Cazenovia, Wis., Sept. 29, 2006. A student walked into a rural school with a pistol and a rifle and shot the principal several times, critically injuring him.
— Bailey, Colo. Sept. 27, 2006. A lone gunman enters a high school and holds six female students hostage, sexually assaults them, kills one of them, and then himself after a four-hour standoff.
— Pittsburgh, Pa. Sept. 17, 2006. Five Duquesne University basketball players are wounded after a shooting on campus after a dance. One of the two shooters was allegedly upset that his date had talked to one of the athletes.
— Hillsborough, N.C. Aug. 30, 2006. After shooting his father to death, a student open fires at his high school, injuring two students. Deputies found guns, ammunition, and homemade pipe bombs in the student's car. The student had emailed Columbine High's principal, telling him that it was "time the world remembered" the shootings at Columbine.
— Essex, Vt. Aug. 24, 2006. A gunman shoots five people, killing two of them, in a rampage through two houses and an elementary school, before wounding himself.
— Red Lake Indian Reservation, Minn. March 21, 2005. The worst school-related shooting incident since the Columbine shootings in April of 1999. Ten killed (shooter killed nine and then himself) and seven injured in rampage by high school student.
— Cumberland City, Tenn. March 2, 2005. School bus driver shot and killed while driving a school bus carrying approximately 20 students by a 14-year-old student who had been reported to administrators by the driver for chewing tobacco on the bus.
— Nine Mile Falls, Wash. Dec. 10, 2004. A 16-year-old high school junior committed suicide at the high school's entryway. A canister holding fireworks, shotgun shells, and rifle cartridges was found in a backpack belonging to the student.
— Joyce, Wash. March 17, 2004. A 13-year-old student shot and killed himself in a school classroom where about 20 other students were present. The boy reportedly brought a .22-caliber rifle hidden in a guitar case and pulled it out during the 10 a.m. class.
— Philadelphia, Pa. Feb. 11, 2004. A 10-year-old student was shot in the face and died after being shot outside a Philadelphia elementary school. A 56-year-old female school crossing guard was also shot in the foot as she tried to scurry children across the street as bullets were flying and children were on the playground.
— Washington, D.C. Feb. 2, 2004. A 17-year-old male high school student died after being shot several times and another student was injured after shots were fired near the school's cafeteria.
— Henderson, Nev. Jan. 21, 2004. Gunman shoots and kills a hostage in his car on school campus. The gunman was allegedly looking for his ex-girlfriend as he searched the school full of children in an after-school program.
— Cold Spring, Minn. Sept. 24, 2003. Two students shot and killed by a 15-year-old boy at Rocori High School.
— Red Lion, Pa. April 24, 2003. Principal of Red Lion Area Junior High is fatally shot in the chest by a 14-year-old student, who then committed suicide, as students gather in the cafeteria for breakfast.
— New Orleans, La. April 14, 2003. One 15-year-old killed and three students wounded at John McDonough High School by gunfire from four teenagers in a gang-related shooting.
— October 7, 2002. Bowie, Md. A 13-year-old by was shot and critically wounded by the DC-area sniper outside Benjamin Tasker Middle School.
— New York, N.Y. Jan. 15, 2002. Two students at Martin Luther King Junior High School in Manhattan were seriously wounded when an 18-year-old opened fire in the school.
— Caro, Mich.. Nov. 12, 2001. A 17-year-old student took two hostages and the Caro Learning Center before killing himself.
— Ennis, Texas. May 15, 2001. A 16-year-old sophomore upset over his relationship with a girl, took 17 hostages in English class, and shot and killed himself and the girl.
— Gary, Ind. March 30, 2001. 17-year-old expelled from Lew Wallace High School kills classmate.
— Granite Hills, Calif. March 22, 2001. One teacher and three students wounded by a student at Granite Hills school.
— Willamsport, Pa. March 7, 2001. Classmate wounded by a 14-year-old girl, in the cafeteria of Bishop Newuman High School.
— Santee, Calif. March 5, 2001. A 15-year-old student killed two fellow students and wounded 13 others, while firing from a bathroom at Santana High School in San Diego County.
— Baltimore, Md. Jan. 17, 2001. 17-year-old student shot and killed in front of Lake Clifton-Eastern High School.
— New Orleans, La. Sept. 26, 2000. Two students wounded in a gun fight at Woodson Middle School.
— Lake Worth, Fla. May 26, 2000. A 13-year-old honor killed his English teacher, Barry Grunow, on the last day of classes after the teacher refused to let him talk to two girls in his classroom.
— Mount Morris Township, Mich. Feb. 29, 2000. A 6-year-old boy shot and killed a 6-year-old girl at Buell Elementary School with a .32 caliber handgun.
— Fort Gibson, Okla. Dec. 6, 2000. A 13-year-old boy, armed with a handgun, opened fire outside Fort Gibson Middle school, wounding four classmates.
— Deming, N.M. Nov. 19, 1999. 12-year-old boy came to school dressed in camouflage and shoots 13-year-old girl with a .22 caliber as students were returning from lunch.
— Conyers, Georgia. May 20, 1999. 15-year-old sophomore opens fire with a rifle and a handgun on Heritage High School students arriving for classes, injuring six.
— Littleton, Colo. April 20, 1999. Students Eric Harris, 18, and Dylan Klebold, 17, killed 12 students and a teacher and wounded 23 before killing themselves at Columbine High School.
— Springfield, Ore. May 21, 1998. Two teenagers were killed and more than 20 people hurt when a teenage boy opened fire at a high school after killing his parents. Kip Kinkel, 17, was sentenced to nearly 112 years in prison.
— Fayetteville, Tenn. May 19, 1998. Three days before his graduation, an honor student opened fire at a high school, killing a classmate who was dating his ex-girlfriend. Jacob Davis, 18, was sentenced to life in prison.
— Jonesboro, Ark. March 24, 1998. Two boys, ages 11 and 13, fired on their middle school from nearby woods, killing four girls and a teacher and wounding 10 others. Both boys were later convicted of murder and can be held until age 21.
— West Paducah, Ky. Dec. 1, 1997. Three students were killed and five wounded at a high school. Michael Carneal, then 14, later pleaded guilty but mentally ill to murder and is serving life in prison.
— Pearl, Miss. Oct. 1, 1997. Sixteen-year-old Luke Woodham of fatally shot two students and wounded seven others after stabbing his mother to death. He was sentenced the following year to three life sentences.
[Sources: Brady Campaign to Prevent Gun Violence, "Major U.S. school shootings since Columbine," http://www.bradycampaign.org/xshare/pdf/school-shootings.pdf; National School Safety and Security Services, "2006-2007 School Year School-Related Deaths, Shooting Incidents, and Other High-Profile Incidents (Aug. 1, 2006 - July 31, 2007)," http://www.schoolsecurity.org/trends/school_violence06-07.html; Associated Press Newswires, "Some Fatal U.S. School Shootings," 3 October 2006.]