Knowledge Is Power Program (KIPP) charter middle schools enroll a significantly higher proportion of African-American students than the local school districts they draw from, but 40 percent of the black males they enroll leave between grades 6 and 8, says a new nationwide study by researchers at Western Michigan University. With 99 charter schools…

This article describes the Center for Benefit-Cost Studies of Education, at Teachers College, Columbia University. Launched last year by a pair of economists, the center specializes in calculating and comparing the long- and short-term costs--and probable payoffs--of different educational strategies that promise to improve students' lives. Studies…