Research has revealed that appropriate school leadership practices can positively support and promote teacher learning. This study examines the influences of Learning-Centered Leadership upon Teacher Agency, Trust and professional learning in a Kuwaiti context. Following results from recent empirical research, this study tested a model of principal leadership effects upon teacher learning via the mediators of Teacher Trust and Agency. The researchers collected data from 1060 teachers working at 64 Kuwaiti public schools and analyzed this data using confirmatory factor analysis and structural equation modeling. Results validated this model, showing that Learning-Centered Leadership affects teacher professional development via Teacher Trust and Agency. This improves our understanding of the relationship between school leadership and teacher professional learning both in Kuwait and internationally; relevant recommendations are listed.