As of 2026-10-12, Sandy Hook Elementary School shooting tops the list with 29 deaths.
- #1 Sandy Hook Elementary School shooting — 29 deaths
2012 school massacre in Newtown, Connecticut, United States
The Sandy Hook Elementary School shooting was a mass shooting and murder–suicide that occurred on December 14, 2012, at an elementary school in Newtown, Connecticut, in which 20-year-old Adam Lanza killed 26 people—20 first-grade children and six staff members—before killing himself. Lanza had earlier fatally shot his mother at their home before driving to the school, where he forced entry by shooting out a window near the locked front entrance. He was armed with a semi-automatic rifle... Read more on Wikipedia.
Wikidata - #2 Robb Elementary School shooting — 22 deaths
2022 mass shooting in Uvalde, Texas, US
On May 24, 2022, a mass shooting occurred at Robb Elementary School in Uvalde, Texas, United States. Salvador Ramos, an 18-year-old former student of the school, fatally shot 19 students and 2 teachers, while injuring 18 others. Ramos was killed 77 minutes after entering the classroom by law enforcement officers. Read more on Wikipedia.
Wikidata - #3 Kerch Polytechnic College massacre — 21 deaths
2018 school shooting and bombing in Kerch, Crimea
On 17 October 2018, a school shooting and bombing attack occurred at the Kerch Polytechnic College in Kerch, Crimea. The perpetrator, Vladislav Roslyakov, who was an 18-year-old student at the college, killed 20 people and wounded 73 others before killing himself. It was the deadliest school shooting in Russia or Ukraine since the 2004 Beslan school siege. Read more on Wikipedia.
Wikidata - #4 Izhevsk school shooting — 18 deaths
2022 school shooting in Izhevsk, Udmurtia, Russia
On 26 September 2022, a mass shooting occurred at a school in Izhevsk, Udmurtia, Russia. Eighteen people were killed and twenty-three others were wounded before the gunman, identified as Artyom Kazantsev committed suicide. Read more on Wikipedia.
Wikidata - #5 Dunblane school massacre — 18 deaths
1996 mass shooting at Dunblane Primary School, Dunblane, United Kingdom
The Dunblane massacre was a school shooting that took place at Dunblane Primary School in Dunblane, near Stirling, Scotland, on 13 March 1996, when 43-year-old Thomas Hamilton killed 16 pupils and one teacher and injured 15 others before killing himself. It remains the deadliest mass shooting in British history. Read more on Wikipedia.
Wikidata - #6 Erfurt massacre — 17 deaths
2002 mass shooting in Germany
The Erfurt school massacre was a mass shooting that occurred on 26 April 2002 at the Gutenberg-Gymnasium, a secondary school in Erfurt, Thuringia, Germany. 19-year-old expelled student Robert Steinhäuser shot and killed 16 people, including a police officer, before killing himself. One person was also wounded by a bullet fragment. According to students, he ignored them and aimed only for the teachers and administrators, although two students were unintentionally killed by shots fired through a... Read more on Wikipedia.
Wikidata - #7 Hungerford massacre — 17 deaths
fatal shooting of 16 people in Hungerford, U.K.
The Hungerford massacre was a spree shooting in Wiltshire and Berkshire, England, which occurred on 19 August 1987 when 27-year-old Michael Ryan shot and killed sixteen people, including his mother and an unarmed police officer, before killing himself. No motive for the killings was established. Read more on Wikipedia.
Wikidata - #8 Marjory Stoneman Douglas High School shooting — 17 deaths
2018 mass shooting in Parkland, Florida, USA
On February 14, 2018, 19-year-old Nikolas Jacob Cruz walked into his former school, Marjory Stoneman Douglas High School, in Parkland, Florida, and fatally shot seventeen people including fourteen students and three teachers, while wounding another 17. Cruz fled the scene on foot by blending in with the students and was arrested without incident approximately one hour and twenty minutes later in nearby Coral Springs. Police and prosecutors investigated "a pattern of disciplinary issues and... Read more on Wikipedia.
Wikidata - #9 Winnenden school shooting — 16 deaths
school shooting in Germany
On 11 March 2009, a series of shootings took place at the Albertville-Realschule in Winnenden and a car dealership in Wendlingen, Baden-Württemberg, Germany. Fifteen people were killed and nine were injured before the perpetrator, 17-year-old former student Tim Kretschmer, killed himself during a shootout with police. Read more on Wikipedia.
Wikidata - #10 Columbine High School massacre — 16 deaths
school shooting at Columbine High School in Columbine, Colorado, United States on April 20, 1999
On April 20, 1999, high school senior students Eric Harris and Dylan Klebold shot and killed 13 students and one teacher in a school shooting and attempted bombing at Columbine High School in Columbine, Colorado, United States. Twenty people were injured by the gunfire, and three others were injured while trying to escape. The attack ended when Harris and Klebold committed suicide. The Columbine massacre was the deadliest mass shooting at a K–12 school in U.S. history until the Sandy Hook... Read more on Wikipedia.
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