Black students appear to do well in high school - just over 30% of over-25s have a diploma, compared with 27% of white over-25s. But fewer than 10% of black over-25s completed a bachelor's degree, compared with 14.4% of whites.
Approximately 12–13% of the American population is African-American, but they make up 35% of jail inmates, and 37% of prison inmates of the 2.2 million male inmates as of 2014 (U.S. Department of Justice, 2014).
75% of White Americans have only White friends