Texas, which has helped shape key tenets of the standards and accountability movement, is on the brink of revamping the way it assesses high school students for graduation. Instead of testing knowledge that students accumulate over several years, the state would test what students learn in each course. A bill passed by the Texas Senate last month…

Background/Context: The prevailing theory of action underlying No Child Left Behind's high-stakes testing and accountability ratings is that schools and students held accountable to these measures will automatically increase educational output as educators try harder, schools will adopt more effective methods, and students will learn more. In…