CityBridge is a DC-based nonprofit advancing the public good by providing grants for charitable and educational efforts that create lasting positive impact on individuals in the US and globally. CityBridge incubated numerous innovative public charter schools and launched the local DC nonprofits CityWorks and CitySchools Collaborative (formerly CityTutor DC). CityBridge is the private family foundation of Katherine and David Bradley. With real regret, CityBridge does not accept or respond to unsolicited funding proposals.