Opportunities for students to share their thinking with the class--which I refer to as "work-sharing practices--require a profound shift in who is positioned with intellectual authority in mathematics classrooms. This study explores work-sharing practices in one sixth grade mathematics classroom through an interactional lens. Video analysis…

Conceptualizing educational inequality as equivalent to the "achievement gap" has fueled the expansion of no-excuses charters, which purport to raise test scores and thereby equalize opportunities for low-income students of color. In contrast, I argue that the individual provision of opportunity is inadequate to address the structural…