Although there is controversy surrounding this, there have been two confirmed shooters: Dylan Klebold and Eric Harris.
There have been numerous reports on a possible third shooter or other groups of shooters, but as I've said, only TWO have been confirmed.
12 students were killed in the Columbine High School shootings in 1999.
Dylan Klebold was responsible for the deaths of 12 students and one teacher in the Columbine High School shooting on April 20, 1999.
As of 2021, there have been multiple school shootings in the United States since Columbine in 1999. It is difficult to provide an exact number due to varying definitions and criteria for what constitutes a school shooting, but organizations like Everytown for Gun Safety and the Gun Violence Archive track these incidents.
15, 13 students and 2 teachers. If you are counting them, 17
The Columbine High School Massacre resulted in 15 deaths (including the 2 shooters who committed suicide) and 24 injuries.
Two. Columbine is a dicot
The Columbine High School massacre occurred on April 20, 1999. Two students, Eric Harris and Dylan Klebold, carried out a shooting spree that resulted in the deaths of 12 students and a teacher, as well as injuring many others, before taking their own lives.
The Columbine High School massacre occurred on April 20, 1999. Two students, Eric Harris and Dylan Klebold, carried out a shooting spree at the school, resulting in the deaths of 12 students and one teacher, as well as many injuries.
Approximately 15 people, including the shooters. That tally includes 1 teacher and 12 students. A further 22 were injured.
Ten.
275
76 mass shootings from 1996 to 2012