that's huge. >> but when dr. fryerour years' worth of promise academy test scores, he discovered something remarkable. >> at the elementary school level, he closed the achievement gap in both subjects, math and reading. >> actually eliminating the gap in elementary school? >> absolutely. we've never seen anything like that. absolutely eliminating the gap. the gap is gone, and that is absolutely incredible. >> in 2008, according to new york state data, 100% of canada's third graders scored at or above grade level in math... >> good job. >> narrowly outperforming their white peers in the city's public schools. >> 96. is that the answer? >> [together] yes. >> even more impressive, canada's impact on middle schoolers, kids who enrolled in the promise academy in the sixth grade. they started out far behind grade level, but dr. fryer found that within three years, they had virtually eliminated the achievement gap in math and reduced it by nearly half in reading. >> these are kids that a lot of people had given up on. and he