This document summarizes research on school choice policies in the US and their impact on educational outcomes. It finds that: 1) Giving parents more information about school quality erases differences in choices and achievement gaps between high- and low-income families. 2) However, proximity remains important, especially for elementary students, posing challenges for urban districts with concentrated poverty. 3) Research shows charter schools can significantly improve test scores and longer-term outcomes for disadvantaged urban students, pointing to their potential as a scalable solution.