ABSTRACTLeading change is one of the most daunting tasks for K–12 site leaders. It is well established that the site leaders’ influence on student learning is profound, and the importance of implementing changes to improve practice is paramount. This action research study aimed to examine how a research-based professional development and coaching program could impact site leaders’ attitudes, beliefs, practices, and the teachers’ perceptions. The study occurred over 14 weeks at a public elementary school. The intervention contained two professional development sessions, which included learning and planned implementation of research-based strategies and weekly coaching sessions once the school year started. The theories that supported this study included change leadership, distributed leadership, transformational leadership, social cognitive theory, sensemaking, and literature on veteran teachers. A mixed methods action research design using quantitative and qualitative data was gathered simultaneously through a pre- and postintervention collection. Data was gathered from Monday Memos, a staff meeting observation, staff meeting agendas, coaching field notes, the Staff Perception Survey, and interviews which were all used to analyze then address the research questions. During the qualitative data analysis, the codes were categorized, and themes were examined to determine any shifts from the initial data compared to the postintervention data. Due to the small sample size and lack of data normality on the Staff Perception Survey, instead of a conventional t test, the more conservative nonparametric Mann-Whitney U test was applied to assess pre-to-post differences. Results indicated no statistically significant differences between the pre- and postintervention survey among individual items or collective construct items (i.e., teacher voice, shared vision, removing obstacles, and building culture). The results suggest that there was a shift in how the site leaders conceptualized their role as a leader of change through the coaching program intervention. It was expanded, hopeful, and the site leaders saw the increased weight of their role in the impact of leading change. Further, through the research-based coaching program, site leaders changed their practice regarding their consistency and both expanded and shifted change strategies. In conclusion, limitations give perspective while implications for practice and research provide for an exciting future.