The injustices of the present need to be solved still. In America the way schools are funded in many states is such an obvious shorthand for racist school funding there isn't a level playing field.
http://thinkaboutnow.com/2016/03/debunking-the-underfunded-p...
Compare the homepages of the two. I know which one I trust more.
https://www.commonwealthfoundation.org/
https://www.heritage.org/education/report/the-myth-racial-di...
School funding is still an issue.