This article describes how ten exemplary urban school principals worked together under a Wallace Foundation Grant to advance the understanding of urban school leadership. The grant's intent was to contribute to the development of a national model for the assessment of master principals by demonstrating how building-level leadership in urban…

This study rests on written statements made by New York City teachers and administrators. The study documents what a sample of urban teachers of mathematics and school principals in elementary, middle, and high schools state are: impediments of, as well as supports to, their productive teaching of mathematics, and their suggestions of what is…