Christopher Edley, Jr. interviewed by National Public Radio, February 22, 2013
“The schools with high concentrations of poverty also tend to be the schools that have higher costs because of special-needs students, because of English language learners. But they, as well, tend to be the schools that have a disproportionate number of weakly trained teachers. The bottom line, though, is that only about one in five American students is performing at the average level of the handful of leading countries.”