O-R
| Conference name | Years active | Schools included | Sports |
|---|---|---|---|
| Park Region | Sebeka High School Menahga High School Verndale High School New York Mills High School Henning High School Pillager High School Bertha-Hewitt High School Pen Five High School |
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| Pheasant | North: Ashby High School Bertha-Hewitt High School Underwood High School Verndale High School South: Brandon-Evansville High School Chokio-Alberta/Herman-Norcross High School Clinton-Graceville-Beardsley High School Hancock High School (Minnesota) Hancock High School Wheaton High School |
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| Pine to Prairie | |||
| Polar | Barnum High School Carlton High School Cook County High School Cromwell High School Esko High School Floodwood High School McGregor High School Moose Lake High School Willow River High School Silver Bay (Wm. Kelly) High School Wrenshall High School Two Harbors High School |
All Sports | |
| Polar North | |||
| Prairie North | New York Mills High School Ottertail Central High School Parkers Prairie High School Pillager High School United North Central High School |
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| Prairie South | Browerville High School Saint John's Preparatory School (Collegeville, Minnesota) Eagle Valley High School Osakis High School Royalton High School Upsala/Swanville Area High School |
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| Quad City | |||
| Red Rock | Adrian High School Comfrey High School Edgerton High School Hills-Beaver Creek High School Mountain Lake/Butterfield-Odin Murray County Central Red Rock Central Sioux Valley/Round Lake/Brewster Southwest Minnesota Christian Southwest Star Concept Westbrook/Walnut Grove Fulda High School Ellsworth High School |
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| Rum River | 1945-2007 | Foley Public Schools Milaca High School Mora High School Pine City High School Zimmerman High School |
Read more about this topic: List Of Minnesota State High School League Conferences