*Innovative contributors synthesize knowledge from multiple disciplines about how to measure social-emotional learning, executive functions, and other "people skills" essential to educational success. *Hot topic--programs to foster noncognitive skills in schools are increasingly popular, but assessment practices lag behind. *Explains how well-planned assessments can improve outcomes in academics, behavior, and well-being for 4- to 17-year-olds (grades PreK-12). *Includes guidance for schoolwide implementation and case examples of successful programs.

*Innovative contributors synthesize knowledge from multiple disciplines about how to measure social-emotional learning, executive functions, and other "people skills" essential to educational success. *Hot topic--programs to foster noncognitive skills in schools are increasingly popular, but assessment practices lag behind. *Explains how well-planned assessments can improve outcomes in academics, behavior, and well-being for 4- to 17-year-olds (grades PreK-12). *Includes guidance for schoolwide implementation and case examples of successful programs.