Deans and admissions officers told the researchers that the pressure to maintain or improve their U.S. News rankings can mean fewer slots for diverse students, who tend to score lower on the LSAT and have lower grade point averages. “Selectivity” — LSAT scores, undergraduate grades and schools’ degree of exclusivity in accepting applicants — accounts for one quarter of each school’s ranking.

U.S. News does maintain a law school “diversity index,” but those data are not a factor in the overall rankings.