Despite increasing consensus that social-emotional learning (SEL) is an important contributor to success in school and life, few tools are available for educators to assess SEL skill and to use assessment results to inform educational practice. In particular, there are no scalable, feasible, usable, and scientifically sound assessment systems that…

This article presents results from two studies that included ethnically and socioeconomically diverse samples totaling 4,462 children in kindergarten through third grade. Each study examined the psychometric properties of a web-based, self-administered battery of assessments of social-emotional comprehension called "SELweb." Assessment…