This professional learning module (PLM) was designed for those in leadership roles in educational organizations who desire to examine the effect of collective teacher efficacy for school improvement purposes. This module defines collective teacher efficacy as it applies to educational settings and impacts student learning. School leaders will learn research-based conditions and practices that have been found to foster collective efficacy in schools. Collective Teacher Efficacy Professional Learning Module is aligned with the North Carolina Standards for School Executives, Professional Standards for Educational Leaders, and Teacher Leader Model Standards.