By the time we published an update two years later, on April 20, 2021, there had been another 44 school shootings. Westword published a roundup of school shootings twenty years after the Columbine attack, on Apthe country had added another 240 shootings during those two decades. The oldest school shooting in Colorado dates back to 1909, with two more before Columbine since then, seven have occurred in this state. Since the April 20, 1999, massacre at Columbine High School, in which two teenage gunmen killed twelve students and a teacher and injured 21 others before committing suicide, incidents like these have become all too common.Īccording to a mammoth list of such attacks in America, more school shootings have taken place in the 23 years from Columbine to Uvalde than during the entire history of the United States before 1999. But while the loss of life is shocking, the fact that another school shooting took place certainly isn't. The death toll from the horrific assault on Robb Elementary School in Uvalde, Texas, on May 24, currently stands at 21, including nineteen children and two adults.