Crestline High School is a public high school in Crestline, Ohio, United States. It is the only high school in the Crestline Exempted Village School District.Ohio High School Athletic Association State Championships Girls' softball – 2004Athletic league affiliationsLeague of Six Nations: 1933-1940Independent: 1940-1944Northern Ohio League: 1944-1954Independent: 1954-1961Johnny Appleseed Conference: 1961-1977Mid-Ohio Conference: 1977-1990North Central Conference: 1990-2014Northern 10 Athletic Conference: 2014-2015Mid-Buckeye Conference: 2015-Notable alumni Gates Brown, former MLB player (Detroit Tigers)
