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…

Using fiscal data provided by the finance office of the school district, and personnel data obtained from the California Basic Education Data System (maintained by the California Department of Education, or CDE), the authors present analyses to provide a foundation for local policymakers that may be used to assess whether there are inequities in…