Increasing numbers of underprepared students are admitted to colleges and universities with aspirations of earning a degree in a science, technology, engineering, or mathematics (STEM) discipline. Transitioning to college is difficult for all students, but can be especially challenging for the underprepared STEM student. Many of these students are…

Half of all college students will enroll in remedial coursework but evidence of its effectiveness is mixed. Using a regression-discontinuity design with data from a large urban community college system, we make three contributions. First, we articulate three alternative hypotheses regarding the potential impacts of remediation. Second, in addition…