The last several decades have witnessed a large increase in the number of girls who participate in sports in the United States. Today an estimated 8 million third- through 12th-grade girls and 12 million boys participate in organized and team sports. While much progress has been made toward achieving gender equity in youth sports, too many girls…

This study examines patterns of organized activity and their concurrent association with academic achievement, problem behavior, and perceived adult support in a sample of urban, early adolescent, middle school students (mean age = 13.01; N = 2,495). Cluster analyses yielded six activity profiles: an uninvolved group (n = 775, 31.1%), a multiply…