As value-added research designs gain in popularity and undergo increasing scrutiny, experts are beginning to wave cautionary flags about how best to make use of them in education. Value-added techniques for measuring student achievement appeal to administrators and policymakers at all levels of education because they quantify the gains that…

With scant research on the efficacy of social-networking tools such as Twitter, and few clear insights into the best (and worst) uses for them, there is little agreement among researchers and educators about how or whether Twitter-like technologies could or should be used in schools. This article discusses how teachers can use this popular…

Amid stepped-up school accountability pressures under the No Child Left Behind Act, many teachers appear to be adjusting how they do their jobs. However, principals and district leaders are not necessarily in control of those instructional changes, a new study concludes. Using data collected through surveys of math teachers, principals, and…