Background/Context: High-stakes testing (HST) weaves through the fabric of school life, stretching beyond the test day. Results have consequences for a school's reputation and autonomy, as well as teachers' evaluations and students' graduation and morale. Prior research demonstrates the constraining and inequitable effects assessments can have on…

In this paper I analyze students' conceptual understanding of the quality of polynomial approximation. In particular, I analyze to what extent the interactive play with various methods of interpolation enables the students to build visual pictures that help understanding the formal mathematical statements. The role of the Mathematica software in…

The purpose of this study was to examine how a White teacher (Gina) responded to African American Language (AAL) in ways that situated students as valuable members of a high school English classroom. This 5-month qualitative study in a 10th grade classroom drew from positioning theory and discourse analysis to make sense of classroom interactions…