We use data from one of the few states where information on curriculum adoptions is available--Indiana--to empirically evaluate differences in performance across three elementary-mathematics curricula. The three curricula that we evaluate were popular nationally during the time of our study, and two of the three remain popular today. We find large…

Exploiting a statewide cutoff point on the placement examination used to assign students to remedial courses in Tennessee, this study employs a regression discontinuity research design to provide causal estimates of the effects on student outcomes of recently redesigned remedial courses at three Tennessee colleges. Moreover, using data on student…