One of the controversies surrounding charter schools is whether these schools may either "cream skim" high-performing students from traditional public schools or "pushout" low-achieving students or students with discipline histories, leaving traditional public schools to educate the most challenging students. In this study, we…

In this report, RAND researchers investigate one specific issue that may contaminate utilization of COVID-19--era school-aggregate scores and result in faulty comparisons with historical and other proximal aggregate scores: changes in school composition over time. To investigate this issue, they examine data from NWEA's Measures of Academic…

School officials regularly use school-aggregate test scores to monitor school performance and make policy decisions. After the U.S. Department of Education offered assessment waivers to all 50 states in 2019-2020, many educators and policymakers advocated for assessment programs to be restarted in the 2020-2021 school year to evaluate the state of…

One of the controversies surrounding charter schools is whether these schools may either "cream skim" high-performing students from traditional public schools or "pushout" low-achieving students or students with discipline histories, leaving traditional public schools to educate the most challenging students. We use these terms…

Schools utilize an array of strategies to match curricula and instruction to students' heterogeneous skills. While generations of scholars have debated "tracking" and its consequences, the literature fails to account for diversity of school-level sorting practices. In this paper we draw upon the work of Sørenson (1970) to articulate and…

Schools use an array of strategies to match curricula and instruction to students' heterogeneous skills. Although generations of scholars have debated ''tracking'' and its consequences, the literature fails to account for diversity of school-level sorting practices. In this article, we draw on the work of Sørensen and others to articulate and…