In the past decade, the number of students enrolled in private school choice programs has grown ten-fold. But granting students access to public financing for their private education has not led to the vibrant marketplace of school options many of its supporters envisioned. If school choice policy is to improve the American education landscape, careful thought must be put in to understand how it can expand existing high quality schools and create new high quality schools to serve more children. New and Better Schools attacks this problem from the perspective of both researchers and practitioners, documenting the hurdles entrepreneurial school leaders face and offering a way forward.