District expenditures and efficiency can be influenced by the entry of charter schools. Loss of economies due to reduced enrollments and a rising share of high-cost students are some of the key mechanisms that could potentially increase the costs of providing education in district schools. The competitive pressure from charter schools could also…

When the number of charter schools in a given area increases, are students who remain in traditional public schools worse off? This is a claim often made by opponents of school choice; gains made by students in charter schools, they say, come at the expense of students left behind. There is scant evidence to support this view in the existing…