This guide shows how to integrate assessment with teaching and learning to reach educational goals. The aim is to present assessment concepts in a concise manner that can be understood and applied by teachers, administrators, and other school personnel. The chapters, organized around major assessment topics, are: (1) "Integrating Assessment with Teaching and Learning"; (2) "Validity"; (3) "Reliability"; (4) "Fairness"; (5) "Understanding and Using Numerical Data"; and (6) "Interpreting and Using National and State Standardized Assessments." (Contains 20 tables, 29 figures, and 36 references.) (SLD)