This document discusses professional learning communities (PLCs) and their importance for school librarians. It begins by outlining the learning intentions of understanding PLC components, comparing current practice to those components, and finding ways to participate in PLCs. It then discusses current thinking on PLCs and their student-focused nature. The rest of the document outlines the key components of effective PLCs, including shared values and vision, leadership, collective learning, supportive conditions, and sharing personal practice. Images and quotes are provided to illustrate each component. The document concludes by suggesting ways for school librarians to find connections to their practice and begin participating in PLCs.