A teacher sits alone at her desk, yet she is working collaboratively with a team of two dozen educators in a professional learning community. Teachers who were once isolated by distance and the nature of their jobs are connecting across schools in online professional learning communities. While riding the wave of technology, St. Mary’s County Public Schools in Leonardtown, Md., is providing a connection for teachers that extends beyond school walls. Collaboration is at the core of professional learning in St. Mary’s County Public Schools. When we began implementing professional learning communities, we established the expectation that every teacher would collaborate to foster professional learning and improved student learning. This expectation led to the need to find differentiated processes to ensure that every teacher, regardless