Children's social-emotional and self-regulation skills are critical for success in school and, ultimately, in the workplace. How can educators determine the most effective approaches for measuring students' interpersonal competencies? And how can they use the data to improve their own practice? Relevant for school leaders, educators, researchers, and other stakeholders, this book brings together leading experts from multiple disciplines to discuss the current state of measurement and assessment of a broad range of noncognitive skills and present an array of innovative tools. Chapters describe measures targeting the individual student, classroom, whole school, and community; highlight implications for instructional decision making; examine key issues in methodology, practice, and policy; and share examples of systematic school- and districtwide implementation.