Some of it not surprising as it talks about how some anti gun groups count any shooting incident, even ones way outside the school and that have nothing to do with the school as "school shootings".
The deadly attack at Columbine High School in 1999 seemed to usher in a new era of school shootings.
Two decades later, polls consistently capture growing fears among American parents that their children face imminent danger whenever they go to school. Those fears have only intensified since attacks at an elementary school in 2012 in Newtown, Connecticut, and last year at a high school in Parkland, Florida.
In the aftermath of the Parkland shooting, some research suggests that gun violence is a near-daily experience at schools. Other studies indicate that deaths from school violence have actually declined since 1991. Answers to some key questions about school attacks over the last several decades:
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WHAT ARE AMERICANS' PERCEPTIONS OF SCHOOL SHOOTINGS?
A March survey by The Associated Press-NORC Center for Public Affairs Research found that a majority of Americans believe schools and colleges, along with places of worship, have become less safe compared with 20 years ago.
Wide shares of Americans also believe parents, the internet and news coverage of similar attacks are at least partly to blame for school shootings.
About 2 in 10 parents are not at all confident or not very confident in their child's safety while at school. About a third of parents are very confident or extremely confident, according to the poll. But fewer Americans put blame for shootings on schools themselves.