Many policymakers are shedding essential tenets of modern statecraft. Few seek to sustain the monolithic one best system of schooling: herding students through large institutions, regulated by bureaucracy and guided by professionals under monopolistic conditions. Instead, distinctly unmodern forms of policy and institutional reformation are in…

How educators define and study school effectiveness is shaped by "policy mechanics" who attempt to define inputs that raise student achievement and by classroom culturalists who focus on implicitly modeled norms in the classroom. This article reviews how these two paths are informed by research in developing countries. (SLD)