School choice policies are often based on the idea that competition will generate better outcomes for all students. Yet there is limited empirical research about how school leaders actually perceive competition and whom they view as rivals. Drawing on concepts from economic sociology, I study principals' competitive networks and the sets of…

Higher rates of school switching by students contribute to achievement disparities and are typically theorized as driven by attributes of individual pupils or families. In contrast the neoclassical-economic account postulates that switching is necessary for competition among schools. We argue that both frames fail to capture social-referential and…

Recent evidence on the large variance in teacher effectiveness has spurred interest in teacher labor markets. Research documents that better qualified teachers typically work in more advantaged schools but cannot determine the relative importance of supply versus demand. To isolate teacher preferences, we document which schools prospective…