A core function of district leadership is providing instructional vision and support for school leaders and teachers. In this article, a Research-Practice Partnership focused on the improvement of elementary mathematics teaching and learning provides the context to study leadership development. We examine the process of one design team within the…

The achievement gaps between poor and more affluent students are persistent and chronic, as many students living in poverty are also members of more isolated communities where dialects such as African American English and Southern Vernacular English are often spoken. Non-mainstream dialect use is associated with weaker literacy achievement. The…