Deadly school shootings in U.S. history

Published On: Apr 02 2012 04:44:44 PM CDT   Updated On: Dec 12 2014 03:44:56 PM CST

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

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Feb. 19, 1997: Evan Ramsey, 16, opened fire with a shotgun in a common area at Bethel High School in Bethel, Alaska, killing principal Ron Edwards and classmate Josh Palacious. Ramsey was charged as an adult and sentenced to 200 years in prison.

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