Researchers have paid a great deal of attention to the impact of school choice policies on student educational outcomes. The emphasis on evaluating the impact of school choice policies on student academic proficiency is certainly justified in that the explicit goal of such policies is to improve educational productivity. However, the effects of school choice policies may not end at the schoolhouse door. As with any other large public policy, as they grow in size school choice has the potential for externalities -- either positive or negative -- that could have an impact on the overall community