Year after year, in every state and community in our nation, students from low-income families are less likely than other students to reach advanced levels of academic performance, even when demonstrating the potential to do so. These income-based "excellence gaps" appear in elementary school and continue through high school. It is a…

This report is the culmination of a yearlong effort to study the efficiency of the nation's public education system and includes the first-ever attempt to evaluate the productivity of almost every major school district in the country. In the business world, the notion of productivity describes the benefit received in exchange for effort or money…