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School shootings in the US: Fast facts

(CNN) — There have been at least 34 school shootings in the United States so far this year, as of August 11. Eleven were on a college campus, and 23 were on K-12 school grounds. The incidents left at least 23 people dead and 26 other victims injured, according to CNN’s analysis of events reported by the Gun Violence Archive, Education Week and Everytown for Gun Safety.

CNN cross checks these reports of school shootings against school and police accounts and media reports. All incidents of gun violence are included if they occurred on school property, from kindergartens through colleges/universities, and at least one person was shot, not including the shooter. School property includes but is not limited to, buildings, fields, parking lots, stadiums and buses. Accidental discharges of firearms are included, as long as at least one person is shot, but not if the sole shooter is law enforcement or school security.

In the first year of the Covid-19 pandemic, when schools were closed, there was a major decline in gun violence incidents on school grounds. Since then, recent years saw a stark increase in school shootings, with 2021, 2022, 2023 and 2024 all setting records since at least 2008. There were at least 83 incidents in 2023 and 2024, but 2022 was one of the deadliest years, with 48 fatalities, according to CNN’s analysis. That year saw the shooting at Robb Elementary School in Uvalde, Texas, where 19 students and two educators were killed and more than a dozen others were injured. In 2025, there were at least 79 shootings with 32 killed and 124 injured.

Students and educators have engaged in activism around the issue of gun violence, and some educators have quit the profession.

Some states in the South have seen the highest rate of school shootings relative to their populations since 2008, according to CNN’s analysis. Washington, DC had the highest rate — 7 total shootings, more than 1 per 100,000 people — while Texas had the most overall with at least 70 school shootings. Meanwhile, just four states — Montana, Wyoming, New Hampshire and Vermont — had no school shootings in that period, according to CNN’s analysis.

The December 13, 2025, mass shooting at Brown University marked Rhode Island’s first school shooting since at least 2008, when CNN first started tracking school shootings.

This story has been updated with additional information.

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Map shows more than 2,200 measles cases across U.S. in 2025 outbreaks

▶ Watch Video: Measles cases climb in the U.S. after 2025 was worst year in decades In 2025, United States recorded the most measles cases in more than 30 years, Centers for Disease Control and Prevention data shows. A large share of the infections were connected to an outbreak in West Texas that led to the deaths of two children. The total number of cases nationwide topped 2.200 by the end of the year, with infections confirmed in at least 44 states. Measles is one of the most contagious infectious diseases, and in some cases, can cause severe infections in the lungs and brain that can lead to cognitive issues, deafness or death. But doctors and health officials say the vaccine, which is normally given as part of the combination measles-mumps-rubella (MMR) vaccine, is highly safe and effective.While most people's symptoms improve, about 1 in 5 unvaccinated people who get measles will be hospitalized. About 1 out of every 1,000 children with measles will develop brain swelling that can lead to brain damage, and up to 3 of every 1,000 children who become infected will die, the CDC says. The largest outbreak of the year was in West Texas, with over 760 confirmed infections before the state declared the outbreak officially over in August. A growing number of cases have also been reported in other states around the country. In South Carolina, dozens of students were quarantined in October due to an outbreak and the number of cases there ballooned to over 200 by the end of the year.The CBS News data team has tracked confirmed measles cases nationwide as new data is released by state health departments and the CDC. The Texas outbreak primarily affected children and teenagers, nearly all of whom were unvaccinated or had an unknown vaccination status. State and local health officials confirmed the first patient who died was an unvaccinated school-aged child, and the second was an unvaccinated 8-year-old girl. Neither of the children had underlying health conditions, the Texas health department said. New Mexico also reported the death of an adult with measles.The last measles death in the U.S. before that was in 2019, when a 37-year-old man died from measles complicated by meningitis in California, according to CDC data.Prior to 2025, the highest number of confirmed cases in the U.S. in recent years was 1,274 in 2019, driven by outbreaks in New York, California and Washington state, but most years the total has been much lower. Health experts point to lower vaccination rates as a reason for increases in preventable diseases like the measles.CDC data shows about 93% of kindergarteners in the U.S. were vaccinated against measles during the 2021-2022 school year and only 92.7% in the 2023-2024 school year. This is down from 95.2% during the 2019-2020 school year — a critical threshold to keep people safe. "When more than 95% of people in a community are vaccinated, most people are protected through community immunity (herd immunity)," the CDC states.Health and Human Services Secretary Robert F. Kennedy Jr., who has a history of making false and misleading claims about vaccines, voiced support for vaccination as the deadly outbreak spread in the Southwest."We encourage people to get the measles vaccine," Kennedy told CBS News chief medical correspondent Dr. Jon LaPook in an interview in April, marking the first time Kennedy has publicly urged people to get the measles vaccine since becoming HHS secretary.Asked by LaPook what the federal government's official position on the vaccine is, Kennedy reiterated, "The federal government's position, my position, is that people should get the measles vaccine," but added, "The government should not be mandating those." 
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