The ability of school leaders to recognize and confront marginalizing narratives that prevent equitable access and outcomes for their historically underserved student populations is critical to transforming their schools. This article is designed to build the leadership capacity of suburban school leaders to intervene in inequitable practices by leading them through an exploration of eight beliefs and assumptions - and the problematic decisions often prompted by them - that have been identified in the literature as barriers to the academic and post-secondary advancement of historically underserved student populations attending suburban schools.