Community colleges play a vital role in postsecondary education, enrolling more than one in every three postsecondary students. While their importance has grown over the past 50 years, their students' success rates remain low. Consequently, community college stakeholders are searching with mounting urgency for approaches that increase students'…

In 2006, the National Center for Postsecondary Research, of which is MDRC is a partner, launched a demonstration of one-semester learning community programs at six colleges; five of these programs focused on developmental education. This is the final report from the project and includes findings from analyses that pool data across these five…