This document discusses quality assurance and quality control principles for preparing for a successful re-inspection by EAQUALS. It explores the differences between quality assurance and quality control, with quality assurance being proactive and aiming to prevent defects, while quality control is reactive and aims to identify and correct defects in the final product. It provides examples of quality assurance including establishing a quality management system, conducting regular evaluations and assessments, providing training, and documenting processes. The document also lists several resources for quality assurance, such as self-assessment handbooks, standards criteria, teacher development materials, and management training seminars.