Millions of U.S. children participate in the National School Lunch Program each day, receiving free or reduced-price food that makes an important contribution to their overall nutrition. But concern has mounted that many approved as eligible may in fact be ineligible because their family income...

About 61 percent of school districts used direct certification in the NSLP in the 2001-02 school year, the same share as in 1996. Direct certification increased the number of children certified for free meals by about 400,000 and slightly increased overall NSLP participation. Under direct...

Using data from Mathematica's experimental evaluation of charter schools, this methodological study examines the validity of four different comparison group approaches to test whether these designs can replicate findings from a well-implemented random assignment study.