After several unsuccessful turnaround efforts and years of chronic low performance at Cameron Middle School, Metropolitan Nashville Public Schools (MNPS) decided to try something different to dramatically improve student outcomes: gradually convert operation of the school from the district to a charter management organization. This 2014 report for MNPS tells the story behind the conversion, evaluates its successes and challenges, and extracts lessons learned for MNPS and other districts working to build their capacity to better support their lowest performing schools.