In Defense of Snow Days

In Defense of Snow Days

In snowy climes, school superintendents must frequently decide whether an impending storm warrants closing schools for the day. Concerns about student and teacher safety must be weighed against the loss of student learning time, along with state requirements for days of instruction and the cost and inconvenience of extending the school year into the summer. This calculus assumes, based on evidence of various kinds, that school hours lost to snow days equal lost student learning. Studies show that highly effective charter schools, for instance, tend to have longer school days and years than traditional public schools, and that increased instructional time is correlated with higher school effectiveness even within the charter sector. Other studies have shown that schools fare worse on state tests in years in which they experience more weather-related school closings, seemingly providing direct evidence that closings reduce student learning (see “Time for School,” research, Winter 2010).

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