Before the deadly shooting at Sandy Hook Elementary School in Newtown, Conn., in which at least 27 are reported dead, the incident at Virginia Tech in 2007 was the worst school shooting in U.S. history. In 1927, 45 people, including 38 elementary school students, were killed in a bombing at a school in Bath Township, Mich., in the nation’s worst act of violence at a school.
Oakland, Calif., April 2, 2012
A gunman kills seven people and wounds three in a shooting rampage at a Christian college in Oakland.
Dekalb, Ill., February 14, 2008
A former graduate student killed five students at Northern Illinois University before killing himself.
Blackburg, Va., April 16, 2007
A student killed 32 students and faculty at Virginia Polytechnic and State University in the worst single act of gun violence in U.S. history.
Nickel Mines, Penn., October 2, 2006
An armed dairy truck driver selected the female students at a one-room Amish schoolhouse and shot them execution-style, killing five. The man then shot himself.
Red Lake Indian Reservation, Minn., March 21, 2005
A 16-year-old high school student killed seven people and wounded several others in a shooting rampage after first killing two others off campus. He then killed himself.
Littleton, Co., April 20, 1999
Two students killed 12 students and a teacher and wounded more than 20 others before killing themselves at Columbine High School.
Jonesboro, Ark., March 24, 1998
Two boys, ages 11 and 13, fired on their middle school from woods, killing four girls and a teacher and wounding 11 others.
Stockton, Calif., January 17, 1989
Five schoolchildren and 30 were wounded by a gunman using a semi-automatic rifle at Cleveland Elementary School. The case led to California's assault weapons ban.
Fullerton, Calif., July 12, 1976
Using a semi-automatic rifle bought at a Kmart store, a school employee killed seven people in the library of California State University.
Austin, Texas, August 1, 1966
A University of Texas student and former Marine killed 16 people and wounded 32 others in and around the campus. He was shot dead by a police officer.
Bath Township, Mich., May 18, 1927
Forty-five people were killed, including 38 elementary students, and 58 injured in three bombings by a school board treasurer enraged by higher taxes in the deadliest act of violence at a U.S. school.
*This list does not include all school shootings in U.S. history