special-need students, groups that charter critics have argued are typically under-served. The results show overall gains of 0 ….35 standard deviations in math and 0.12 standard deviations in reading for each year spent at KIPP Lynn. LEP students, special … education students, and those with low baseline scores benefit more from time spent at KIPP than do other students, with reading …

individual earnings, to the distribution of income, and to economic growth. New empirical results show the importance of both …

achievement tests, we map achievement onto a common (PISA) scale. We then estimate the share of children not achieving basic …