We examine the origin and evolution of male-female rating gaps for young chess players using two decades of data from the U.S. Chess Federation, the national chess association that tracks competitive tournament play and provides ratings for U.S. chess players. An important feature of our research is that we examine male-female gaps across a broad…

We have long known that some teachers are much more effective than others. Highly effective teachers and their students thrive in ways that have been hard to replicate on a large and consistent scale. In this paper, we read across studies to identify actionable lessons about what it will take to staff all schools with highly effective educators…

Building on a previous meta-analysis of the literature on teacher attrition and retention by leveraging studies with longitudinal data and a modern systematic search process, this updated comprehensive meta-analysis synthesizes findings from 120 studies on the factors of teacher attrition and retention. We find the research on teacher attrition…