May 18, 2018 – Santa Fe High School – Santa Fe, Texas. Dimitrios Pagourtzis, 17, allegedly opens fire killing 10 and injuring 13. Pagourtzis is arrested and charged with capital murder and aggravated assault of a public servant. In November 2019, he is declared mentally incompetent to stand trial.
January 23, 2018 – Marshall County High School – Benton, Kentucky. Gabriel R. Parker, 15, allegedly opens fire killing two and injuring 18 others. The suspect is arrested at the scene and later charged with two counts of murder and 14 counts of first degree assault.
December 7, 2017 – Aztec High School – Aztec, New Mexico. William Atchison shoots and kills students Casey Jordan Marquez and Francisco Fernandez. Atchison, a former student at the high school, dies of what police believe to be a self-inflicted gunshot wound.