This report is an extension of the 2018 report, "Teen Sport in America: Why Participation Matters Report" which set out to identify the health, academic, and psychological benefits that teen girls obtain on a sport-by-sport basis. The original 2018 Teen Sport report provided evidence of the important role that sports can play in…

This first-of-its-kind report on gender and high school sports participation, "Progress Without Equity: The Provision of High School Athletic Opportunity in the United States, by Gender 1993-94 through 2005-06," flows from an analysis of high schools that is unprecedented in its national and historical scope. It uses merged data from the Civil…

Arguably, the most important school-based intervention to increase physical activity was Title IX of the Education Amendments of 1972, which led to a 600% increase in girls' sports participation between 1972 and 1978. We studied the effect of this increase in sports participation and athletic opportunities while young on the physical activity and…