H-L
| Conference name | Years active | Schools included | Sports |
|---|---|---|---|
| Heart O'Lakes | Breckenridge High School Dilworth-Glyndon-Felton High School Frazee High School Hawley High School Pelican Rapids High School Ulen-Hitterdal High School West Central Area High School |
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| Heartland | |||
| Hiawatha Valley | Byron High School Cannon Falls High School Hayfield High School Kasson-Mantorville High School Kenyon-Wanamingo High School Lake City High School Pine Island High School Lourdes High School Stewartville High School Triton Senior High School Winona Cotter Zumbrota-Mazeppa High School |
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| Iron Range | International Falls High School Hibbing High School Virginia High School |
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| Lake | 1932- present | Eden Prairie High School Edina High School Hopkins High School Minnetonka High School Wayzata High School |
All sports |
| Lake Superior | Cloquet High School Duluth Central High School Duluth Denfeld High School Duluth Marshall High School Hermantown High School Proctor High School Superior High School |
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| Lakes to Prairie | |||
| Little Eight | |||
| Little Sioux | |||
| Longbow |
Read more about this topic: List Of Minnesota State High School League Conferences