The problem in this study was that despite encouragement from administrators, kindergarten through Grade 8 teachers struggled to use project-based learning (PBL) in a local school in the Association of Independent Maryland and DC Schools (AIMS). Rooted in Kilpatrick's progressive philosophy of education and Piaget's theory of constructivism, this…

The 2007 Public Education Reform Amendment Act led to 39 percent of the principals in District of Columbia Public Schools (DCPS) being dismissed before the start of the 2008-09 school year, and additional principal exits over the next few years. We measure the impact of replacing these principals on schoolwide student achievement by measuring the…

In this report, the authors present the results of a long-term tracking study that follows 1,177 students who applied to enter 1 of 13 oversubscribed Knowledge Is Power Program (KIPP) middle schools through a 5th or 6th grade admissions lottery in 2008 or 2009. Those students are now old enough to have attended college for at least two years. This…

Over the past 30 years, numerous policies have focused on closing the achievement gap in the United States. Despite this emphasis on mastery and proficiency, students continue to perform below expectations. We use standardized math test performance to explore whether schools have been able to eliminate the achievement gap across middle-level…

School buses may be a critical education policy lever, breaking the link between schools and neighborhoods and facilitating access to school choice. Yet little is known about the commute for bus riders, including the average length of the bus ride or whether long commutes harm academic outcomes. We begin to fill this gap using data from New York…

Too many talented students who go to under-resourced schools do not achieve their full potential. Though they may perform very well relative to their classmates, these students do not receive the same kinds of academically challenging opportunities throughout their educational journey as do their counterparts in better-resourced public and private…

In this article, we present analyses from a researcher-practitioner partnership in the District of Columbia Public Schools, where we are exploring the impact of educational software on students' academic achievement. We analyze a unique data set that combines student-level information from the district with data of student usage of a mathematics…