As cities across the country and globe continue to generate new solutions to a wide variety of vexing problems, sharing information about what works and what doesn't has become more important than ever. Yet, outside of a few prominent policies, the vast majority of successful municipal experiments never reach a national audience or, for that…

This article provides a conceptual account and empirical analyses of the development of "boundary-crossing competence"--the ability to function competently in multiple contexts--using representative cases from two after-school programs with immigrant and low-socioeconomic status students. Our findings suggest that organizational designs…