Policies and practices throughout the educational pipeline harm the educational attainment of black and Hispanic Americans. A paper from the Urban Institute involves the use of administrative data from Virginia and Connecticut colleges to examine graduation rate gaps within colleges, finding that even after adjusting for precollege student characteristics, gaps remain stubbornly high at many institutions.
The paper can be obtained at https://www.urban.org/sites/default/files/publication/101638/understanding_equity_gaps_in_college_graduation.pdf.