It's funny you mention that policy, because note it can only have a substantial effect on admissions by race if a lot of high schools are racially segregated, a

It's funny you mention that policy, because note it can only have a substantial effect on admissions by race if a lot of high schools are racially segregated, as is the case. See any of a number of sources, such as this one which a quick search turned up: https://www.nytimes.com/2019/05/02/learning/lesson-plans/still-separate-still-unequal-teaching-about-school-segregation-and-educational-inequality.html https://www.nytimes.com/2019/05/02/learning/lesson-plans/sti...