When San Francisco implemented a new policy to improve graduation rates and college enrollment, district officials realized their work was only beginning. San Francisco Unified School District revamped its college-ready graduation policy in 2009, hoping to increase the likelihood that students would graduate with the necessary courses to go to a state university--and stay in school. But though the implementation of the policy helped in some areas, district leaders are still looking at ways to meet all their goals. Here they discuss challenges and solutions.