Research has shown that teacher leaders have a positive impact on schools. The purpose of this qualitative study was to bring awareness to the perceptions of Teachers and Principal on building teacher capacity. The theoretical framework which guided the study are Adult Learning Theory, Situational Leadership Theory, and Self-Efficacy Theory. The research questions were designed to explore the perceptions of Teachers and Principals regarding supports established to continue building teacher leader capacity and the participants' perceptions of how they can be improved will also be collected. Perceptual was data collected through surveys and interviews. Discussion of the findings would benefit school leaders who desire to improve teacher leader capacity in their buildings. [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://bibliotheek.ehb.be:2222/en-US/products/dissertations/individuals.shtml.]