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...

We estimate long-run impacts to the Pathways to Education program, a comprehensive set of coaching, tutoring, group activities and financial incentives offered to disadvantaged students beginning in Grade 9. High school administrative records are matched to income tax records to follow...