Latino Education Vs Urban Education

I haven’t get the opportunity of teaching on my own anywhere so far. However, the only opportunity that I used to be a teacher assistance volunteer for a research with the NYU, focusing on Latino from 5-10 years old and the chances to attend superior education. I observed several issues with children, nevertheless there was this particular child (Latino) who used several times “I hate black people” I was shocked, the child did not even want to sit close to black students. This particular child have a strong personality and he stated he rather be in the principal office than work with a black child. The teacher did not do anything about it, the teacher told me that she spoke with the parents and the parents stated if “the child does not like black people, what can we do about it; he learned all that from TV”. The teacher told me that she will not do much about it, because it is settle the parents wanted to raise the child in their own way.
I guess start from the basic, but the parents seem more supportive about the fact that he did not tolerate black people. How to influence the life of this particular child? if there is not support from other people especially the parents, what to do in this case? how do we mold the mind of these childre? The teacher told me that this issue is more common that I thought. Conclusively, there is not one specific answer. Education is broad, it starts from home and it is enforce in the school, however if school and home does not work together the child will grow in a