The foundational purpose of Professional Learning Communities (PLC) is to achieve high levels of learning for all students. PLC’s place student learning at the centre of both day-to-day operations of the school and to the larger vision of school improvement. It requires teams of teachers to work together on common issues of learning and teaching with the clear intention of improving learner outcomes. PLC refers to a school-wide system of teacher teams who collaborate on issues of instruction, assessment and other school topics with the goal of improving student learning.