The American Recovery and Reinvestment Act of 2009 injected $3 billion into the federal School Improvement Grants (SIG) program, which awarded grants to states that agreed to implement one of four school intervention models in their lowest-performing schools. Each of the models prescribed specific practices designed to improve student outcomes. Despite the sizable investment, comprehensive evidence on the implementation and impact of SIG has been limited. Using 2013 survey and administrative data from nearly 500 schools in 22 states, this report focuses on whether schools receiving a grant used the practices promoted by SIG and how that compares to other schools. The report also focuses on whether SIG had an impact on student outcomes. Findings show that SIG schools reported using more practices than other schools, but there was no evidence that SIG caused those schools to use more practices. There was also no evidence that SIG had significant impacts on math or reading test scores, high school graduation, or college enrollment.