Section 1. The key role of the school leader. Chapter 1. Behind the scenes of data-driven leadership: intentionality of leadership ; Chapter 2. Data dissemination practices of elementary school principals ; Chapter 3. Establishing a data culture using a data-driven instructional system for school improvement ; Chapter 4. Change management in K-12 education for data-driven decisions: moving from professional judgment to evidence -- Section 2. Leading teacher data practices. Chapter 5. The principal as a data-driven instructional leader: using PLCs to improve teaching and learning ; Chapter 6. Leadership to support and sustain data use in data teams ; Chapter 7. Assessment literacy within middle school-level math professional learning communities ; Chapter 8. Towards partnerships for student success: teacher collaboration in data analysis and common formative assessment systems -- Section 3. District guidance for data leadership. Chapter 9. Empowering educators to make data-informed decisions: a district's journey of effective data use ; Chapter 10. Missing opportunity?: rural school board members and data use ; Chapter 11. Analytics framework for K-12 school systems -- Section 4. Developing data leadership practices. Chapter 12. School leaders in a time of accountability and data use: preparing our future school leaders in leadership preparation programs ; Chapter 13. Making research methods instruction relevant for prospective principals: the development of data literacy for effective data use.