One of our new colleagues, Alex McGill, takes stock of the increased college enrollment among American Africans (who constitute 13 percent of Americans nationwide; 15 percent between the ages of 20 and 24): Since 1994, black enrollment has doubled at institutions that primarily grant associate degrees, including community colleges. In 2013, black students accounted for 16 percent of the student body there, versus 11 percent in 1994.