The concentration of poverty in American schools, By Janie Boschman and Ronald Brownstein, February 29, 2016, The Atlantic: “In almost all major American cities, most African American and Hispanic students attend public schools where a majority of their classmates qualify as poor or low-income, a new analysis of federal data shows. This systemic economic and racial isolation looms as a huge obstacle for efforts to make a quality education available to all American students. Researchers have found that the single-most powerful predictor of racial gaps in educational achievement is the extent to which students attend schools surrounded by other low-income students…”