In a 1999 study of segregation by Gary Orfield and John T. Jun as part of the Civil Rights Project at Harvard University, they argue that segregation in a Black or Latino community correlates to concentrated poverty. The same is not true for segregated White schools. They state in their executive summary:
Though we usually think of segregation in racial and ethnic terms, it’s important to also realize that the spreading segregation has a strong class component. When African-American and Latino students are segregated into schools where the majority of students are non-white, they are very likely to find themselves in schools where poverty is concentrated. This is of course not the case with segregated white students, whose majority-white schools almost always enroll high proportions of students from the middle class. This is a crucial difference, because concentrated poverty is linked to lower educational achievement.
Read the full report here.