The Professional Learning Community model has moved to the forefront in the field of education as one of the most effective frameworks to improve student achievement and overall school success. “When a school or district functions as a professional learning community (PLC), educators within the organization embrace high levels of learning for all students as both the reason the organization exists and the fundamental responsibility of those who work within it” (Dufour, 2006, p. 3). The research conducted for this paper provides evidence for systemic and school-base improvement by describing four different PLC models in different venues: a principal preparation program, an elementary school team, a leadership team, and a business partnership.

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