We estimate the nonlinear impact of class size on student achievement by exploiting regulations that cap class size at 20 pupils per class in kindergarten. Using student-level information from a previously unexploited large-scale census survey of kindergarten students, this study provides clear...

We estimate the nonlinear impact of class size on student achievement by exploiting regulations that cap class size at 20 students per class in kindergarten. Based on student-level information from a previously unexploited and unique large-scale census survey of kindergarten students, this study...

The large number of overweight children in the U.S. has led school administrators and researchers to examine how aspects of the school environment affect children's dietary behavior and health. In addition to consuming nutrient rich food and exercising regularly, nutritionists have suggested...