DISTRICTS BY CASB REGION CASB BY DISTRICTS 1 3 6 9 REGION 1 REGION 3 REGION 6 REGION 9 Akron R-1 Aguilar Re-6 Academy District 20 Alamosa Re-11J Arickaree School District R-2 Branson RE-82 Canon City Schools Centennial R-1 Brush RE-2(J) Campo RE-6 Cheyenne Mountain 12 Center Consolidated 26JT Buffalo School District RE-4J Cheraw #31 Colorado School for the Deaf and Creede School District Fleming School Crowley County RE-1J the Blind Moffat Consolidated #2 Haxtun RE-2J Fowler R4J Colorado Springs D-11 Monte Vista School District Holyoke Re-1J Granada RE-1 Cripple Creek-Victor RE-1 Mountain Valley RE-1 Idalia RJ-3 Hoehne RE-3 Custer County C-1 North Conejos RE1-J Julesburg School District RE-1 Holly RE-3 District No. 49 Sanford School District Liberty J-4 Kim R-88 Ellicott 22 Sangre de Cristo RE-22J Lone Star #101 East Otero School District R-1 Fountain-Fort Carson 8 Sargent RE-33J Morgan County Re-3 Lamar RE-2 Fremont RE-2 Sierra Grande R-30 Otis R-3 Las Animas No. Re-1 Hanover No. 28 South Conejos RE-10 Pawnee Re-12 Manzanola 3J Harrison 2 Upper Rio Grande School District Peetz Plateau School District RE-5 McClave RE-2 Huerfano Re-1 Prairie RE-11J Primero RE-2 La Veta RE-2 School District 10 RE-1 Valley Pritchett RE-3 Lewis-Palmer #38 Revere School District Rocky Ford R2 Manitou Springs 14 REGION 10 Weldon Valley RE-20J Springfield RE-4 Peyton 23-Jt Aspen School District Weld County School District RE 10-J Swink #33 Pueblo 70 DeBeque 49-JT Wiggins RE-50J Trinidad #1 Pueblo City Schools Garfield County No. 16 Wray RD-2 Vilas RE-5 Widefield 3 Garfield Re-2 Yuma 1 Walsh RE-1 Woodland Park Re-2 Meeker RE-1 Wiley RE-13-Jt Mesa County Valley 51 2 7 Plateau Valley 50 4 Rangely RE-4 REGION 2 REGION 7 Roaring Fork Schools Agate 300 REGION 4 East Grand School District Arriba-Flagler Consolidated 20 Eaton RE-2 Hayden School District 11 Bennett 29J Estes Park R-3 Moffat County RE-1 Bethune School District Platte Valley RE-7 North Park R-1 REGION 11 Big Sandy 100J Poudre School District South Routt RE-3 Delta County 50J Burlington RE-6J St. Vrain Valley RE-1J Steamboat Springs RE-2 Gunnison Watershed RE1J Byers 32-J Thompson R2-J West Grand 1-JT Hinsdale County RE-1 Calhan RJ1 Weld County 6 Montrose County RE-1J Cheyenne County Re-5 Weld County RE-1 Norwood Public Schools Deer Trail 26J Weld County RE-3J 8 Ouray R-1 Edison 54JT Weld RE-4 REGION 8 Ridgway R-2 Elbert County School District C-2 Weld RE-5J Buena Vista R-31 Telluride R-1 Elbert #200 Weld Re-8 Clear Creek RE-1 West End Public Schools RE-2 Elizabeth School District Weld RE-9 Cotopaxi RE-3 Genoa-Hugo C-113 Eagle County Schools 12 Hi-Plains R-23 Gilpin County RE-1 Karval RE-23 5 Lake County R-1 REGION 12 Kiowa County RE-1 REGION 5 Park County RE-2 Archuleta #50 JT Kit Carson R-1 Adams 14 Platte Canyon #1 Bayfield 10 Jt-R Limon Public Schools Boulder Valley School District Salida R-32-J Dolores County RE-2(J) Miami Yoder JT-60 Englewood Schools Summit School District Dolores RE-4A Plainview RE-2 Littleton Public Schools Durango 9-R Strasburg 31J Mapleton Public Schools LARGE DISTRICTS Ignacio 11-JT Stratton R-4 School District 27J Adams 12 Five Star Schools Mancos Re-6 Woodlin R-104 Sheridan School District Aurora Public Schools Montezuma-Cortez RE-1 Westminster Public Schools Cherry Creek Schools Silverton Public Schools Denver Public Schools Douglas County RE-1 Jeffco Public Schools April 2021 .