The US educational system needs to be improved, but a lot of the problem relates to the socio-cultural problems in society whereby it's very difficult to actually teach and maintain order in some schools. While lots of children are not properly prepared for school and learning. The downfall of stable two-parent families has a lot to do with this. I really haven't kept up with educational challenges in the US much the past decade or two, but they used to say that free nursery school or kindergarten advances life-long learning significantly.
Very little of the problem is from "socio-cultural problems in society whereby it's very difficult to actually teach and maintain order in some schools."
We've learned that the vast bulk of the education gap goes away when you equalize the financial circumstances of the students. Not all of it, but much of it.
We've learned that the vast bulk of the disparity in punishments between races in schools goes away when you increase the number of Black faculty in a school - not because the Black teachers aren't punishing the kids as much, but because the
white teachers are not punishing the African-American students as much!
The extent of racism within our schools remains both high and challenging to address effectively.
And with all of that, should we manage to somehow rectify it all, we would still need to improve our schooled, as they do a dreadful job preparing students for the world they are to enter, regardless of whether that's work post high school or college and beyond.
They largely do not come out well prepared to take command of their own further education and/or skill development.
/climbs off soapbox/