[18] These differences are particularly strong for demographic characteristics: elementary school neighborhoods that draw the highest
proportion of in - boundary students are likely to have proportionally smaller African American populations (14 percent on average, compared to 69 percent for the rest of the city) that are not decreasing as fast as they are in the rest of the city; the later
dynamic could be related to the first because these neighborhoods tend to be historically white, and have
very small African American populations to begin with.