Why there's so much inconsistency in school shooting data
- Written by Lacey Wallace, Assistant Professor of Criminal Justice, Pennsylvania State University

How many school shootings happen in the U.S. in a single school year? The answer is surprisingly hard to figure out.
In April, the U.S. Department of Education released a report on the 2015-2016 school year, stating that “nearly 240 schools (0.2 percent of all schools) reported at least 1 incident involving a school-related shooting.”...
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