invest heavily in grants to states, including the School Improvement Grant (SIG) and Race to the Top (RTT) programs …. Mathematica collected and compared data from low-performing schools that implemented one of four SIG-funded intervention models …

This issue brief from Mathematica’s multi-year evaluation of SIG for the U.S. Department of Education, Institute of … Education Sciences, sheds light on which individual SIG practices (and what combinations of practices) low-performing schools …