What u. s. supreme court decision made it illegal to achieve diversity through the use of racial quotas?

The appropriate response is Regents of the University of California v. Bakke (1978). In Regents of University of California v. Bakke (1978), the Court ruled unlawful a college's utilization of racial "standards" in its confirmations procedure however held that governmental policy regarding minorities in society projects could be protected in a few conditions.