Out-of-school settings promise to broaden participation in science to groups that are often left out of school-based opportunities. Increasing such involvement is premised on the notion that science is intricately tied to “the social, material, and personal well-being” of individuals, groups, and nations—indicators and aspirations that are deeply linked with understandings of equity, justice, and democracy. In this essay, the authors argue that dehistoricized and depoliticized meanings of equity, and the accompanying assumptions and goals of equity-oriented research and practice, threaten to