We examine the impact of remedial and developmental courses on college students with varying levels of academic preparedness, thus focusing on a wider range of students than previous studies. Using a regression discontinuity design, we provide causal estimates of the effects of placement in different levels of remedial courses on short-,…

Each year, thousands of American students enter postsecondary institutions unprepared for college-level work and are subsequently placed in remedial or developmental courses. Several recent studies have examined the impact of these courses on student outcomes, but such studies focus exclusively on students who need just one or two classes; the…