Florida's Senate Bill 1720 allowed many students to bypass developmental education and enroll directly in introductory college-level courses. We use an interrupted time series design to introductory college-level courses enrollment and passing rates in English and math for three cohorts of college students prereform and three cohorts postreform. Based on a cohort-by-cohort comparative analysis, we find that cohorts after the reform are more likely to enroll and pass introductory college-level courses in their 1st year of college, indicating that the reform may help to accelerate student success in college. Further, we find that Black and Hispanic students experience even greater gains in passing rates than White students, effectively narrowing the racial/ethnic achievement gap. [This article was published in "Educational Researcher" (EJ1276508).]