Region 1 (MSLACA)-St. Charles, St. Louis, Jefferson, St. Louis City

Region 2 (WACA)-Platte, Clay, Jackson, Johnson, Cass, Henry, Bates, St. Clair

Region 3 (MM MACA)-Schuyler, Scotland, Clark, Sullivan, Adair, Linn, Macon, Knox, Shelby, Lewis, Marion, Chariton, Monroe, Ralls, Pike, Lincoln

Region 4 (SEMO MACA)-Washington, Saint Francois, Sainte Genevieve, Perry, Madison, Bollinger, Cape Girardeau, Scott, Butler, Stoddard, New Madrid, Mississippi, Ripley, Dunklin, Pemiscot

Region 5 (SWACA)-Vernon, Cedar, Barton, Dade, Jasper, Newton, Lawrence, McDonald, Barry, Stone

Region 6 (WACA)-Atchison, Nodaway, Worth, Harrison, Mercer, Putnam, Holt, Andrew, Gentry, Daviess, Grundy, Buchanan, DeKalb, Caldwell, Livingston, Carroll, Ray, Clinton

Region 7 (MM MACA)-Saline, Howard, Randolph, Audrain, Montgomery, Callaway, Cooper, Pettis, Lafayette, Warren, Boone

Region 8 (MM MACA)-Monteau, Cole, Morgan, Camden, Miller, Laclede, Phelps, Dent, Iron, Reynolds, Wayne, Crawford, Franklin, Osage, Maries, Pulaski, Texas, Gasconade

Region 9 (No Charter Organization)-Benton, Hickory, Dallas, Polk, Wright, Webster, Greene, Christian, Taney, Douglas, Ozark, Howell, Shannon, Oregon, Carter

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