Data Driven Decision Making for Effective School Leadership is a brief supplement for K-12 inservice teachers (especially those served by ASCD). It explores the role of data in making effective instructional, financial, and administrative decisions in schools. This is a significant issue in Educational Administration, and, in today's standards-based testing environment in K-12 education.The book covers concepts and foundations of data-driven decision making, basic applications, and basic statistical concepts.For inservice K-12 teachers, especially those served by ASCD.