Innovation is often driven by crisis, and Rutter (2011) began her chapter by reminding everyone of the crisis confronting the United States in the early 1980s and how that provided impetus for the development of professional development schools (PDSs). In a complementary companion chapter, Neapolitan and Levine (2011) take the reader through…

Legislative and programmatic efforts to improve teacher quality have become a major focus of state policymaking in recent years. States have employed numerous strategies in response to concerns about the preparation, quantity, and capacity of the teacher workforce. In this chapter, the authors introduce conceptual frameworks for understanding…