In 2002 the career of Colombian public school teachers was significantly reformed through the introduction of a … students' high school performance. We exploit the fact that the novel regulation applied only to newly hired teachers, whereas … schools. Using data at the school-year-subject level, we eliminate any school-level confounders and associate the proportion …

features a long school day, an extended school year, selective teacher hiring, strict behavior norms, and a focus on … impact of KIPP Academy Lynn, a KIPP school in Lynn, Massachusetts that typifies the KIPP approach. Our analysis focuses on …