Tan area chart showing the annual number of people killed or injured in U.S. school shootings from 1970 to 2022, as of June 20. In 1970 there were eight people killed and 32 injured. The total amount of people killed or injured did not go above 50 until 1986, when 86 were injured and eight killed. The total amount stayed below 200 until 2021 when 165 people were injured and 42 killed. In 2022, 182 people were killed or injured as of June 20.