Important educational policy decisions, like whether to shorten or extend the school year, often require accurate estimates of how much students learn during the year. Yet, related research relies on a mostly untested assumption: that growth in achievement is linear throughout the entire school year. We examine this assumption using a dataset…

Although debate about the adoption and implementation of the Common Core State Standards (CCSS) has been extensive, there is unanimity on the importance of college and career readiness standards. If statewide assessments are not aligned to the workplace and college requirements of reading and comprehending more complex text, then states will keep…

The country is at a crossroads in implementing measures of educator effectiveness in K-12 classrooms. While the vast majority of states require student growth and achievement to be factored into teacher and principal evaluations, most states and school districts are now grappling with the practical realities of implementing these policies. In this…