Continuous professional development is a process that requires constant and active learning for a teacher throughout his/her professional life. In this process, teachers are expected to perform activities aiming at increasing both their professional development and the quality of teaching within the classroom. One of these is lesson study. This…

If there is one thing that describes the trajectory of American education, it is this: more high-stakes testing. In the United States, the debates surrounding this trajectory can be so fierce that it feels like we are in uncharted waters. As Christopher Bjork reminds us in this study, however, we are not the first to make testing so central to…