The rapid expansion of charter schools reflects a growing interest in education reform and school turnaround efforts across the United States. However, national research on charter school performance remains inconclusive. Of particular debate is the impact of transferring from a traditional public school to a charter school on student achievement…

The American Association of School Librarians (AASL) Standards for the 21st Century Learner do not just pay lip-service to the value of reading. They have been aligned with the Common Core standards that were derived from, and now influence, state standards-based tests, such as the Colorado Student Assessment Program (CSAP) reading tests. It is…

Most growth models implicitly assume that test scores have been vertically scaled. What may not be widely appreciated are the different choices that must be made when creating a vertical score scale. In this paper empirical patterns of growth in student achievement are compared as a function of different approaches to creating a vertical scale.…