These are the states with the highest public high school graduation rates for black students, according to the National Center for Education Statistics. These statistics go through the 2011-2012 school year, according to the Washington Post. Nationwide, black students had a 69 percent graduation rate -- compared to a 73 percent graduation rate for Hispanic students, a 86 percent rate for white students and an 88 percent rate of Asian students. (Data was not reported for Idaho, Kentucky and Oklahoma.)