The Rhode Island Interscholastic League (RIIL) is an organization that runs and regulates interscholastic high school activities in the U.S. state of Rhode Island. A total of 54 public and private schools participate in the league and about 20,000 students annually compete in RIIL sanctioned events.
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The Mount Saint Charles Academy Mounties boys' ice hockey team captured the RIIL state title 26 times in a row from 1978 to 2003.