Gershenson, Seth; Tekin, Erdal - Institute for the Study of Labor (IZA) - 2015
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 disturbances to usual classroom routines. Similarly, they might also … Sniper" attacks on student achievement in Virginia's public schools. In order to identify the causal impact of these events …