Crestline High School
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.- Girls' softball – 2004
- League of Six Nations: 1933-1940
- Independent: 1940-1944
- Northern Ohio League: 1944-1954
- Independent: 1954-1961
- Johnny Appleseed Conference: 1961-1977
- Mid-Ohio Conference: 1977-1990
- North Central Conference: 1990-2014
- Northern 10 Athletic Conference: 2014-2015
- Mid-Buckeye Conference: 2015-
- Northwest Central Conference :
2021-
