1. A PLC is a group of educators who work collaboratively to improve student learning. 2. Members of the PLC analyze student performance data, set learning goals, identify effective teaching strategies, implement changes, and re-assess student learning. 3. The document outlines the process used by a 4th grade writing PLC to examine student writing benchmarks, set goals, identify strategies from a writing program to address weaknesses, implement those strategies, and re-assess student learning.