Although interim assessments are currently promoted as a mechanism for improving teaching and student learning, we know little about how teachers use this data to modify instruction. This article presents findings from a larger study on teachers' use of interim assessment information in elementary mathematics. We address the following questions:…

Asserts that collecting assessment data from students is key to shaping effective instruction. Both informal and formal data about student learning not only shape instruction but also determine its effectiveness. Contends that continuous assessment that drives curriculum is a means of enhancing student and teacher performance. (Contains seven…