Deadly school shootings in U.S. history

Published On: Apr 02 2012 04:44:44 PM CDT   Updated On: Nov 27 2014 11:21:46 AM CST

Friday's shooting at an Oregon high school injured at least three students. Look back at major school shootings in U.S. history.

KIP KINKEL, school shooting
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Oregon Department of Corrections

May 21, 1998: Two teenagers were killed and more than 20 people hurt when a teenage boy opened fire at Thurston High School in Springfield, Ore., after killing his parents. Kip Kinkel, 17, was sentenced to nearly 112 years in prison. He's seen here, at age 30, in a mugshot from 2013.

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