We study an intensive math instruction policy that assigned low-skilled 9th graders to an algebra course that doubled instructional time, altered peer composition and emphasized problem solving skills. A regression discontinuity design shows substantial positive impacts of double-dose algebra on...

This paper reviews and interprets the evidence from 223 rigorous impact evaluations of educational initiatives conducted in 56 low- and middle-income countries. We consider for inclusion in our review all studies in recent syntheses, which have reached seemingly conflicting conclusions about...

Teachers are perhaps the most important determinant of education quality. But what makes a teacher effective? Developing countries expend substantial resources on certifying teachers and retaining those who become certified; moreover, policymakers and aid donors prioritize increasing the...

This paper reviews and interprets the evidence from 223 rigorous impact evaluations of educational initiatives conducted in 56 low- and middle-income countries. We consider for inclusion in our review all studies in recent syntheses, which have reached seemingly conflicting conclusions about...

This paper examines the implications of tuition and need-based financial aid policies for family income - post-secondary (PS) attendance relationships. We first conduct a parallel empirical analysis of the effects of parental income on PS attendance for recent high school cohorts in both the...