"From 1988 to 2014, the number of K–12 schools in the U.S. that had a 99 percent nonwhite student population more than doubled, from 2,762 schools to 6,727. By

"From 1988 to 2014, the number of K–12 schools in the U.S. that had a 99 percent nonwhite student population more than doubled, from 2,762 schools to 6,727. By the 2010s, the percentage of Black students attending schools across the South that were at least 50 percent white had plunged by nearly half, from a peak of 44 percent to 23 percent." The fraction of the U.S. population that is white is declining, which may explain these numbers.