If you agree with the premise that if a school operates as a PLC, it embraces the purpose of high levels of learning for all and aligns its assessment practices with this purpose, what are the implications of this alignment for the variety of roles and responsibilities within the school or district? Specifically, consider the following: What is the role of the teacher (or teacher teams) in developing and utilizing high-quality formative common assessments? What is the role of the principal? What is the role of the central office?