The study primarily focused on white-Black segregation, the groups that the Brown decision addressed, but found that white-Hispanic and white-Asian segregation both also more than doubled since the late 1980s in the large school districts.
What? You can be white and hispanic. You can be anything and hispanic.
And grammatically, “white-Black” is an abomination. Capitalize both or neither (preferably neither).
Edgarallenpwn