Community traumatic events such as mass shootings, terrorist attacks, and natural or man-made disasters have the potential to disrupt student learning in numerous ways. For example, these events can reduce instructional time by causing teacher and student absences, school closures, and...

This paper examines student exposure to school shootings in the United States since the 1999 shooting at Columbine High School. We analyze shootings that occurred during school hours on a school day and resulted in a death. These shootings are likely to be uniformly reported and have a greater...