at the expense of students who are most diffiult to teach, including limited English proficiency (LEP) and special … education (SPED) students, as well as students with low baseline achievement levels. We use applicant lotteries to evaluate the … special needs students that may be underserved. The results show average achievement gains of 0.36 standard deviations in math …

school students, while non-urban charters reduce achievement from a higher baseline. Student demographics explain some of …

Many North American college students have trouble satisfying degree requirements in a timely manner. This paper reports … treatment group combined both interventions. Service take-up rates were much higher for women than for men and for students …