Although much attention has been paid to U.S. News & World Report\u27s rankings of U.S. law schools, the hierarchy it describes is a long-standing one rather than a recent innovation. In this Article, we show the presence of a consistent hierarchy of U.S. law schools from the 1930s to the present, provide a categorization of law schools for use in research on trends in legal education, and examine the impact of U.S. News\u27s introduction of a national, ordinal ranking on this established hierarchy. The Article examines the impact of such hierarchies for a range of decision making in law school contexts, including the role of hierarchies in promotion, tenure, publication, and admissions; for employers in hiring; and for prospective law stud...