There is a consistent pattern of schools/areas grouped together even if the region number changes.
R1 D1
Rockford
Traverse City West
Grandville
Holland West Ottawa
R1 D2
Holt
Battle Creek Central
Bay City Central
Grand Ledge
R2 D1
Livonia Stevenson
Novi
Highland-Milford
Detroit Catholic Central
R2 D2
Brighton
Ann Arbor Pioneer
South Lyon
Saline
R3 D1
Canton
Detroit Cody
Monroe
Plymouth
R3 D2
Detroit King
Detroit Mumford
Detroit Denby
Detroit Southeastern
R4 D1
Clarkston
Lake Orion
Utica Eisenhower
Romeo
R4 D2
Sterling Heights Stevenson
Macomb Dakota
Utica
Warren Cousino
R1 D1
Rockford
Traverse City West
Grandville
Holt
R1 D2
Howell
Highland-Milford
Grand Blanc
Flint Carman-Ainsworth
R2 D1
Saline
Ann Arbor Pioneer
Battle Creek Central
Jackson
R2 D2
Canton
Monroe
South Lyon
Livonia Stevenson
R3 D1
Clarkston
Lake Orion
Romeo
Waterford Mott
R3 D2
Clinton Twp Chip Valley
Macomb Dakota
Utica Eisenhower
Utica Ford
R4 D1
Royal Oak
Sterling Heights Stevenson
Warren Cousino
Warren Mott
R4 D2
Dearborn Fordson
Detroit Cass Tech
Detroit Denby
Detroit Martin Luther King
R1 D1
Rockford
Traverse City West
Grandville
East Kentwood
R1 D2
Grand Blanc
Battle Creek Central
Bay City Central
Holt
R2 D1
South Lyon
Brighton
Howell
Ann Arbor Pioneer
R2 D2
Canton
Belleville
Northville
Novi
R3 D1
Livonia Churchill
Taylor Truman
Livonia Stevenson
Westland John Glenn
R3 D2
Troy Athens
Sterling Heights Stevenson
Detroit Denby
Detroit King
R4 D1
Clarkston
Macomb Dakota
Lake Orion
Utica Eisenhower
R4 D2
Utica Ford
Clinton Twp Chip Valley
New Baltimore Anchor Bay
Port Huron
R1 D1
Rockford
Traverse City Central
Grandville
Traverse City West
R1 D2
East Kentwood
Jackson
Holland West Ottawa
Grand Ledge
R2 D1
Clarkston
Walled Lake Central
Flint Carman-Ainsworth
Lake Orion
R2 D2
Utica Eisenhower
Port Huron
New Baltimore Anchor Bay
Macomb Dakota
R3 D1
Detroit Catholic Central
Brighton
South Lyon
Walled Lake Western
R3 D2
Canton
Wayne Memorial
Westland John Glenn
Saline
R4 D1
Clinton Twp Chip Valley
Roseville
Detroit Denby
Sterling Heights Stevenson
R4 D2
Dearborn Fordson
Detroit Cass Tech
Detroit Martin Luther King
Detroit Cody
R1 D1
Rockford
Traverse City West
Bay City Western
Muskegon
R1 D2
Grandville
East Kentwood
Jenison
Holland West Ottawa
R2 D1
Brighton
Holt
Grand Ledge
Battle Creek Central
R2 D2
South Lyon
Belleville
Ann Arbor Pioneer
Ann Arbor Huron
R3 D1
Walled Lake Central
Lake Orion
Novi
Milford
R3 D2
Livonia Stevenson
Detroit Catholic Central
Plymoth Canton
Westland John Glenn
R4 D1
Utica Ford
Macomb Dakota
Clinton Twp Chip Valley
Utica Eisenhower
R4 D2
Detroit Pershing
Detroit King
Detroit Murray-Wright
Dearborn Fordson
R1 D1
Rockford
Grandville
GR Ottawa Hills
Muskegon
R1 D2
Brighton
Howell
Holt
Battle Creek Central
R2 D1
Lake Orion
Grand Blanc
Bay City Central
Flint Northern
R2 D2
Rochester Adaams
Macomb Dakota
Utica Eisenhower
Sterling Hts Stevenson
R3 D1
Plymoth Canton
Novi
Walled Lake Western
Detroit Redford
R3 D2
Detroit Pershing
Detroit Henry Ford
Detroit Denby
Troy Athens
R4 D1
Monroe
Ann Arbor Huron
Westland John Glenn
Belleville
R4 D2
Detroit King
Detroit Cass Tech
Detroit Catholic Central
Detroit Cody
R1 D1
Rockford
Grandville
East Kentwood
Muskegon
R1 D2
Brighton
Jackson
Holt
Grand Ledge
R2 D1
Clarkston
Grand Blanc
Walled Lake Central
Flint Northern
R2 D2
Ann Arbor Huron
Walled Lake Western
Plymouth Canton
Belleville
R3 D1
Detroit Catholic Central
Livonia Stevenson
Westland John Glenn
Detroit Redford
R3 D2
Detroit Cass Tech
Detroit Murray-Wright
Dearborn Fordson
Monroe
R4 D1
Utica Eisenhower
Troy Athens
Rochester Adams
West Bloomfield
R4 D2
Detroit King
Detroit Pershing
Detroit Henry Ford
Detroit Denby
R1 D1
Rockford
Holland West Ottawa
Grand Haven
Midland
R1 D2
Brighton
Jackson
Battle Creek Central
Grand Ledge
R2 D1
Detroit Catholic Central
Livonia Stevenson
Walled Lake Western
South Lyon
R2 D2
Detroit Henry Ford
Belleville
Westland John Glenn
Monroe
R3 D1
Sterling Heights Stevenson
Troy Athens
Troy
Utica Eisenhower
R3 D2
Detroit King
Detroit Cooley
Detroit Cass Tech
Detroit Denby
R4 D1
Clarkston
Rochester Adams
Grand Blanc
Lake Orion
R4 D2
Clinton Twp Chip Valley
Port Huron Northern
Macomb Dakota
Rochester
