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Columbine High School looks much as it did 20 years ago when it became the site of a deadly school shooting. The 20 award-winning images in this gallery are presented in the order submitted to the prize committee. Higher resolution images are available. Contact the Western History/Genealogy Department for more information. The April 20, 1999, Columbine shooting, which killed 13, shocked the nation. Here’s what has and hasn’t changed in school shootings in the 20 years since. The Columbine Massacre had been so deadly that it is easily considered one of the most serious acts of terrorism on American soil. Combined with having happened in a high school, a place meant to symbolize youth and facilitate learning, the shock around the story remains over 20 years later. Twenty years after the Columbine High School shooting made practicing for armed intruders as routine as fire drills, many parents have only tepid confidence in the ability of schools to stop a gunman, according to a new poll by The Associated Press-NORC Center for Public Affairs Research. America —and Colorado, in particular—has learned from Columbine, and we’ve made significant progress in dealing with school shootings. As these stories illustrate, and as recent history has taught us, our successes have only brought us so far. Unidentified young women head to a library near Columbine High School where students and faculty members were evacuated after two gunmen went on a shooting rampage. In the 20 years since, through other prominent school shootings from Sandy Hook to Parkland and an ongoing rise in U.S. Shooting deaths, Columbine has loomed large in our politics, policy and culture. Columbine survivor Evan Todd has clear memories of the day two killers murdered his classmates.