I analyze the effects of a program that pays both 11th and 12th grade students and teachers for passing scores on … Advanced Placement exams on college outcomes. Using a difference-in-differences strategy, I find that affected students of all … freshman year. Moreover, the program improves college outcomes even for those students who would have enrolled in college …

access to the lessons increased students' math achievement by 0.06 of a standard deviation, but providing teachers with … online access to the lessons along with supports to promote their use increased students' math achievement by 0.09 of a …