HOUSTON (FOX 26) - The Santa Fe High School massacre that left 10 people dead and 10 injured is the deadliest school shooting in Texas, since the 1966 University of Texas tower shooting.
It is now ranked among the five deadliest shootings in the country since the Columbine High School massacre of 1999.
Here's a look at the top five deadliest school shootings since Columbine:
Virginia Tech shooting: 32 dead
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April 16, 2007: Twenty-three-year-old Seung-Hui Cho fatally shot 32 people in a dorm and a classroom at Virginia Tech in Blacksburg, and then killed himself. It was the worst mass shooting in U.S. history.
Sandy Hook Elementary School shooting: 26 dead
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Dec. 14, 2012. A 20-year-old gunman killed 20 first-grade children and six educators inside Sandy Hook Elementary School in Newtown, Connecticut, and then killed himself. He also fatally shot his mother before entering the school.
Marjory Stoneman Douglas High School shooting: 17 dead
Feb. 14, 2018: Authorities say a former student killed 17 people, including 14 children and three staff members, at Marjory Stoneman Douglas High School in Parkland, Florida. Nikolas Cruz, 19, faces 17 counts of first-degree murder in the attack, which sparked student walkouts throughout the country calling for tougher gun restrictions.
Umpqua Community College shooting: 10 dead
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Oct. 1, 2015: 26-year-old Chris Harper-Mercer, of Winchester, Oregon, killed nine people before turning the gun on himself. Seven people were also injured, when witnesses say Harper-Mercer opened fire. He reportedly told a classroom to stand up and state their religion before spraying the room with bullets. Other witnesses say he called to them “come out, come out,” in an attempt to target more victims.
Santa Fe High School shooting: 10 dead
May 18, 2018: 17-year-old Dimitrios Pagourtzis is accused of opening fire inside Santa Fe High School in Santa Fe, Texas, killing 10 people and injuring 10 others. Pagourtzis is charged with Capital Murder and Aggravated Assault of a Peace Officer.
The Associated Press contributed to this report.