Math scores improved slightly in 2010 with 66 percent of students showing proficiency in math, while reading scores remained flat with 72 percent testing proficient. The scores reflect results among roughly 418,000 students in Minnesota's public and charter schools. In August, state education officials are expected to disclose how schools are doing under the federal No Child Left Behind law. Last year, nearly half of the state's public and charter schools were on the list of underperforming schools.

Charles Leadbeater went looking for radical new forms of education -- and found them in the slums of Rio and Kibera, where some of the world's poorest kids are finding transformative new ways to learn. And this informal, disruptive new kind of school, he says, is what all schools need to become. (18:58)