If a school's goal is to improve the quality of the educational environment that it provides for its students--one that encourages creative thinking and problem solving, cooperative learning, and higher levels of thinking--then a principal must create the same type of atmosphere for those individuals most directly responsible for the success of students and schools, namely teachers. A model that allows principals to integrate the two, sometimes-disconnected functions of instructional supervision and staff development will contribute to achieving the goal of schools as learning organizations and will help students in each and every classroom achieve. To integrate these responsibilities, a principal must develop knowledge, establish trust, and build a learning community. A clinical supervisory format combined with a cognitive coaching model are necessary to make this process successful.