Every day, we learn what works so students can make greater progress. Six years after No Child Left Behind's passage--and midway to the nation's goal of having students on grade level or better in reading and math by 2014--we have collected more data than ever before about the academic performance of our students and schools. This information…

This paper empirically examines the underlying premise of the No Child Left Behind (NCLB) school choice provision that students will perform better when they are given the opportunity to transfer from persistently low-performing schools to higher performing schools. We focus on students who move from schools that must offer choice under NCLB in a…