All executives make choices about what to prioritize. Their priorities are evident by where they spend their time, what they say, who they talk with, and where they spend money. I believe that professional learning is most likely to achieve its full power to advance school systems when state superintendents and district CEOs highlight it and invest in it as a driving priority. Those who do put the following responsibilities at the top of their to-do lists. Embrace the learning sciences. Those leaders committed to results from professional learning commit to understanding and leveraging what they learn from relevant research literature. Successful superintendents know that leadership now demands becoming more knowledgeable about the learning sciences. Learning sciences is a design science that incorporates research and