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School Reopenings, Mobility, And Covid-19 Spread: Evidence From Texas, Charles J. Courtemanche, Anh Le, Aaron Yelowitz, Ron Zimmer

Institute for the Study of Free Enterprise Working Papers

This paper examines the effect of fall 2020 school reopenings in Texas on county-level COVID19 cases and fatalities. Previous evidence suggests that schools can be reopened safely if community spread is low and public health guidelines are followed. However, in Texas, reopenings often occurred alongside high community spread and at near capacity, likely making it difficult to meet social distancing recommendations. Using event-study models and hand-collected instruction modality and start dates for all school districts, we find robust evidence that reopening Texas schools gradually but substantially accelerated the community spread of COVID-19. Results from our preferred specification imply that school …