It has been common knowledge for decades that poor and working-class students tend to experience "summer learning loss," a drop in performance between spring and fall that serves to widen the gap between students. However, new research shows that the reality of summer learning loss is more complex. Megan Kuhfeld draws on data from the…

In 2012, New York education officials and the state's teachers union announced one of the nation's most aggressive programs for teacher and principal evaluation--the Annual Professional Performance Review system (APPR)--which required that 40% of an educator's evaluation be based on student growth, using a combination of the state assessment and…