The "urban" mathematics classroom has become an increasingly polarized site, one where many middle-class White teachers attempt to bridge the divide between themselves and their relatively economically disadvantaged, non-White students. With its mania for high-stakes testing, current education policy has intensified the importance of…

This qualitative multisite case study examined how three high schools within one large urban district supported ninth-grade students' needs through interdisciplinary teaming. Data collected during the 2006-2007 school year included observations, interviews, and archival evidence of 67 participants. Findings suggest teacher communication as a…

Background/Context: Research shows that teachers' understandings of students, subject, and teaching influence their classroom practice. Additionally, teachers' colleagues have a role in shaping individuals' approaches to teaching and their responses to reform. Focus of Study: To understand how interactions with colleagues support teachers'…