Learning for all students is the most fundamental and noble quest of American public schools. As new educational research presents best practice, this seemingly simplistic goal has become a multifaceted and complicated challenge for school districts. Classroom hierarchies based solely on grade point average are disappearing, replaced by an…

School districts required under No Child Left Behind to provide supplemental educational services (SES) to students in schools that are not making adequate yearly progress rely heavily on the private sector to offer choice in service provision. If the market does not work to drive out ineffective providers, students will be less likely to gain…