Income inequality has soared in the United States over the past half century. Has educational inequality increased alongside, in lockstep? Despite the topic's importance, surprisingly little scholarship has focused on long-term changes in the size of the achievement gap between students from higher and lower socioeconomic backgrounds. The authors'…

As states across the country continue their implementation of the Teacher Performance Assessment Portfolio (edTPA), a complex and high-stakes certification requirement for teacher certification, there are important lessons for educators and education advocates to learn from New York State's implementation. As Linda Darling-Hammond, developer and…

Policymakers aiming to close the well-documented achievement gap between advantaged and disadvantaged students have increasingly turned their attention to issues of teacher quality. A number of studies have demonstrated that teachers are inequitably distributed across student subgroups by input measures like experience and qualifications, as well…