NB: this piece is a smooth and short example of a broader discussion, such as "The Degradation of The White Male American Elite" (and other mentioned there).
In her book “Ghost in the schoolyard” Eve L. Ewing talks about racism in education (I call it “intellectual segregation”); watch the interview at https://youtu.be/RCuZFD4CX2M. Racism has been there for hundreds of years. It is still here. And almost nothing is being really done about it. Click here to the link to the book.