Part 1: Background Issues and Challenges.- Chapter 1. Introduction: Why the Current Emphasis on Data?.- Chapter 2. Different models (and Movements) of Data Use.- Chapter 3. Data in Context: The School as a Social Organisation.- Chapter 4. Defining and Assessing Appropriate Learning Outcomes.- Part 2: Meeting the Challenges: Managing the Processes.- Chapter 5. Collecting Data: Creating Databases.- Chapter 6. Validity Issues: Ensuring Data are Appropriate.- Chapter 7. Managing Databases: Making Data Accessible.- Chapter 8. Interpreting Data (Technically and Meaningfully).- Chapter 9. Decision Issues: Taking Actions Based on Data.- Chapter 10. Leading and Developing Professional Expertise.- Part 3: Future Challenges.- Chapter 11. Possibilities for Practice and Research.