The meteoric rise in charter schools has several implications for traditional public schools and their students. One understudied implication is the geographic competition for students. Given traditional public school boundaries are often fixed while charter school boundaries are more flexible, charter schools can draw students away from existing…

This presentation was an invited address at the opening session of the 2021 Annual Conference for the Advancement of Science Teaching (CAST) in Ft. Worth, Texas. The presentation will investigate student achievement using three perspectives. The presenters will first ask if one could recognize a great teacher. They will then report research…

Influencing major education policies in the US such as school vouchers and charter schools, market theory assumes that organizational autonomy, parental choice, and competition between schools improve the quality of education. However, whether those policies can influence the instructional core of schools is not well understood. Comparing private…

For schools implementing Response-to-Intervention, it is important to understand how to efficiently intensify interventions. Treatment intensity, or intervention design, is a critical yet overlooked and understudied aspect in math. More frequent dosage results in greater student gains. However, questions remain regarding how teaching episodes…

In the late-2000s, Washington, DC achieved national notoriety for its embrace of market accountability in public schools and support for a steadily expanding charter sector. At the same time, the DC government pursued a concerted effort to attract new residents and investment to the city, a project that bore fruit in the form of some of the…