The Warren Institute is a multidisciplinary, collaborative venture to produce research, research-based policy prescriptions, and curricular innovation on issues of racial and ethnic justice in California and the nation. The Civil Rights Research Roundtable on Education is an initiative of the Warren Institute that convenes an ongoing learning community composed of leading national civil rights organizations to discuss the latest educational research and evidence-based practices related to civil rights goals in education. This research brief focuses on the current state of postsecondary credential completion in America, with a particular emphasis on the crisis of attrition among traditionally underrepresented groups attending two- and four-year institutions: specifically, low-income students, students of color, and non-traditional students. These students are substantially less likely to enroll in higher education, and if they do matriculate, they are far less likely to emerge with a degree. The brief examines the causes of the current low rates of college completion and discusses some of the ways in which the federal government and the states are addressing the problem and the work that is yet to be done. (Contains 1 figure and 54 footnotes.)