Olean High School shooting happened on 1974-12-30.
Rocori High School shooting happened on 2003-09-24.
Heath High School shooting happened on 1997-12-01.
Chardon High School shooting happened on 2012-02-27.
John McDonogh High School shooting happened on 2003-04-14.
Lindhurst High School shooting happened on 1992-05-01.
Columbine High School, Littleton, Colarado
The Columbine High School shooting occurred on April 20, 1999.
Campbell County High School shooting was created in 1975.
Shooting guard
The massacre took place on 4/20/99 at Columbine High School in Littleton, Colorado.
Columbine high school became a well talked about school because of its' horrific school shooting massacre that occurred in April 1999. There were bombs and also a mass shooting that took place.
The Columbine High School shooting took place on April 20, 1999.