Can you link to the part that says the improvements are insignificant? [2] says the opposite. Last week tonight [0] referenced this paper [1], pointing out significant changes when measuring siblings in segregated vs integrated schools.
Fixed isn't the right word, but segregation still exists in many ways and integration isn't the entire plan but rather a significant step towards a solution.
“The brick walls are there for a reason. The brick walls are not there to keep us out. The brick walls are there to give us a chance to show how badly we want something. Because the brick walls are there to stop the people who don’t want it badly enough. They’re there to stop the other people.” - Randy Pausch
