The purpose of this qualitative case study was to describe the principal's perspective of the efficacy of the principal walk-through as a tool to improve and gather formative feedback about teaching. Principals from selected schools in one district were interviewed to further clarify their feelings and provide insight into how they engaged in the process. The findings suggest that the principals in this study have adapted the classroom walk-through to meet the current requirements of an instructional leader. [The dissertation citations contained here are published with the permission of ProQuest LLC. Further reproduction is prohibited without permission. Copies of dissertations may be obtained by Telephone (800) 1-800-521-0600. Web page: http://www.proquest.com/en-US/products/dissertations/individuals.shtml.]