The vast majority of law school scholarships—79 percent—are doled out based on Law School Admission Test scores and undergraduate grades rather than financial need, a new study has found.

That means minority students, who on average score lower on the LSAT, are essentially subsidizing the educations of their more prosperous white classmates and racking up higher law school debt in the process, according to the Law School Survey of Student Engagement’s latest annual report, titled “Law School Scholarship Policies: Engines of Iniquity.”