Deadliest school shootings in U.S. Mar 27, 2023, The Covenant School, Nashville, Tennessee: Woman, 28, shoots dead three children and three adults before being killed by police UNITED STATES 1 2 3 4 5 Vigil for those killed in The Covenant School 32 dead 1 2007, Virginia Tech, Blacksburg, Virginia: Student opens fire on university campus, killing 32 people before taking his own life 27 dead 2 2012, Sandy Hook Elementary School, Connecticut: 20 year-old shoots dead 20 children, six staff members, and his own mother 21 dead 3 2022, Robb Elementary School, Uvalde, Texas: Gunman kills 19 students and two teachers before being shot dead by security forces 17 dead 4 2018, Stoneman Douglas High School, Parkland, Florida: Former student kills 14 students and three teachers. Gunman arrested 13 dead 5 1999, Columbine High School, Colorado: Two teenagers shoot dead 12 students, one teacher and wound 24 others before killing themselves Sources: Reuters, AP Picture: Getty Images © GRAPHIC NEWS