Luckily we do. They’re called the University of California system. At least California banned affirmative action in the 90s.
these things are highly correlated with race, however.
This is why affirmative action in of itself is not a wholly bad thing. It's just that using ethnicity as the primary proxy is worse at generating a strong signal as compared to
> income level, first-generation status, neighborhood circumstances, disadvantages overcome, low-performing secondary school attended, and the impact of an applicant’s background on academic achievement.