The passage of Title IX, the 1972 Education Amendments to the Civil Rights Act, expanded high school athletic opportunities to include girls, revolutionizing mass sports participation in the United States. This paper analyzes high school athletic participation in the United States and how sports...

Between 1972 and 1978 U.S. high schools rapidly increased their female athletic participation rates - to approximately the same level as their male athletic participation rates - in order to comply with Title IX, a policy change that provides a unique quasi-experiment in female athletic...