This document provides an overview of quality management systems and standards. It discusses ISO 9000 norms including ISO 9001, 9004, and 19011. It describes the requirements of an ISO 9001 quality management system including the purpose, standards, terms and definitions, management responsibilities, resource management, realization of services, measurement and improvement, and more. It also discusses implementing a quality management system including forming a work team, process mapping, staff training, audits, corrective actions, certification, and tools. Finally, it provides an example of quality assurance in education from Catalonia.