The SURN Principal Academy was designed to build principals’ knowledge of high-yield instructional strategies (Hattie, 2009); to increase their expertise with tools in order to collect evidence of classroom teaching and learning and provide immediate feedback to teachers; and to facilitate collaborative observation conferences in order to engage teachers in reflection and professional learning and improve classroom instruction. An evaluation of the SURN Principal Academy indicated that rates of instructional observations increased among participating principals. Teachers who reported higher frequencies of instructional interactions with their principals reported a greater degree of instructional change. A positive correlation was found between teachers’ perceptions of principal support and instructional change, while perceptions of principal support related to instruction were higher with