Teacher-led inquiry cycles--in which small groups of teachers study and address a promise--hold promise as a method of professional development, but only if they receive enough support. In particular, they need access to outside expertise that can help them meaningfully change instructional practices--often a difficult step for teachers working on…

Based on the theory that leadership skills receive too much attention and leadership goals and ideals too little, this article outlines the "10-P" model of leadership: prerequisites (leadership skills); perspectives, principles, platform, and politics (leadership antecedents); purposing, planning, persisting, and "peopling"…