| Academy School District No. 20 in the county of El Paso an | Colorado Springs | 25,607 |
| Adams 1 Mapleton AU | Denver | |
| Adams 12 Five Star Schools | Thornton | 34,466 |
| Adams 12 Northglenn AU | Thornton | |
| Adams 14 Commerce City AU | Commerce City | |
| Adams 27J School District 27J AU | Brighton | |
| Adams County BOCES | Westminster | |
| Adams-Arap 28J Aurora AU | Aurora | |
| Agate School District No. 300 | Agate | 85 |
| Aguilar Reorganized School District No. 6 | Aguilar | 127 |
| Akron School District No. R-1 | Akron | 411 |
| Alamosa School District No. Re-11J | Alamosa | 2,038 |
| Arapahoe 1 Englewood AU | Englewood | |
| Arapahoe 2 Sheridan AU | Sheridan | |
| Arapahoe 5 Cherry Creek AU | Greenwood Village | |
| Arapahoe 6 Littleton AU | Littleton | |
| Archuleta County School District No. 50 Jt | Pagosa Springs | 1,588 |
| Arickaree School District No. R-2 | Anton | 82 |
| Arriba-Flagler Consolidated School District No. 20 | Flagler | 186 |
| Aspen 1 AU | Aspen | |
| Aspen School District No. 1 in the county of Pitkin and Sta | Aspen | 1,584 |
| Aurora Joint District No. 28 of the counties of Adams and A | Aurora | 38,702 |
| Bayfield School District No. 10Jt-R | Bayfield | 1,183 |
| Bennett School District No. 29J | Bennett | 1,793 |
| Bethune School District No. R- 5 | Bethune | 99 |
| Big Sandy School District No. 100J | Simla | 329 |
| Blue Sky BOCES | Bailey | |
| Blue Sky BOCES AU | Bailey | |
| Boulder RE-1J St Vrain AU | Longmont | |
| Boulder Re-2 Boulder AU | Boulder | |
| Boulder Valley School District No. Re2 | Boulder | 27,988 |
| Branson Reorganized School District No. 82 | Branson | 465 |
| Buena Vista School District No. R-31 | Buena Vista | 925 |
| Burlington Public School District No. RE-6J | Burlington | 742 |
| Byers School District No. 32J | Byers | 6,853 |
| Calhan District No. RJ1 | Calhan | 414 |
| Campo School District No. Re-6 | Campo | 47 |
| Centennial BOCES | Greeley | 122 |
| Centennial BOCES AU | Greeley | |
| Centennial School District No. R-1 | San Luis | 186 |
| Center Consolidated School District No. 26 Jt. of the count | Center | 628 |
| Charter School Institute AU | Denver | |
| Cheraw School District No. 31 in the county of Otero and S | Cheraw | 209 |
| Cherry Creek School District No. 5 in the county of Arapah | Greenwood Village | 51,980 |
| Cheyenne County School District No. Re-5 | Cheyenne Wells | 174 |
| Cheyenne Mountain School District No. 12 in the county of E | Colorado Springs | 3,745 |
| Clear Creek School District No. Re-1 | Idaho Springs | 634 |
| Colorado Mental Health Hospital in Pueblo | Pueblo | |
| Colorado Mental Health Institute Pueblo AU | Pueblo | |
| Colorado River BOCES | Parachute | 181 |
| Colorado River BOCES AU | Parachute | |
| Colorado School for the Deaf and Blind | Colorado Springs | 167 |
| Colorado School for the Deaf and Blind AU | Colorado Springs | |
| Colorado Springs School District No. 11 in the county of E | Colorado Springs | 22,227 |
| Creede School District | Creede | 92 |
| Cripple Creek-Victor School District No. Re-1 | Cripple Creek | 298 |
| Crowley County School District No. Re-1-J | Ordway | 330 |
| Custer County School District Consolidate 1 | Westcliffe | 313 |
| Denver 1 | Denver | 382 |
| De Beque Joint District No. 49 of the counties of Mesa and | De Beque | 179 |
| Deer Trail School District No. 26J | Deer Trail | 327 |
| Delta 50J AU | Delta | |
| Delta County Joint District No. 50 | Delta | 4,396 |
| Denver 1 AU | Denver | |
| Department of Corrections | Colorado Springs | 0 |
| Department of Corrections AU | Colorado Springs | |
| Division of Youth Services | Denver | 0 |
| Division of Youth Services AU | Denver | |
| Dolores County School District RE-2J | Dove Creek | 262 |
| Dolores School District No. Re-4A | Dolores | 668 |
| Douglas County School District No. Re 1 | Castle Rock | 61,243 |
| Douglas RE-1 AU | Castle Rock | |
| Durango 9-R AU | Durango | |
| Durango School District No. 9-R | Durango | 4,337 |
| Education Reenvisioned Boces | Monument | 5,083 |
| El Paso County Colorado School District 49 Au | Colorado Springs | |
| Elizabeth School District | Elizabeth | 2,282 |
| Eagle County School District No. Re 50 | Eagle | 6,309 |
| Eagle County School District RE-50J AU | Eagle | |
| East Central BOCES | Limon | |
| East Central BOCES AU | Limon | |
| East Grand School District No. 2 | Granby | 1,300 |
| East Otero School District No. R1 | La Junta | 1,284 |
| Edison Joint District No. 54 of the counties of El Paso and | Yoder | 56 |
| Education reEnvisioned BOCES AU | Monument | |
| El Paso 11 Colo Springs AU | Colorado Springs | |
| El Paso 12 Cheyenne Mountain AU | Colorado Springs | |
| El Paso 2 Harrison AU | Colorado Springs | |
| El Paso 20 Academy AU | Colorado Springs | |
| El Paso 3 Widefield AU | Colorado Springs | |
| El Paso 38 Lewis Palmer AU | Monument | |
| El Paso 8 Fountain AU | Fountain | |
| El Paso County Colorado School District 49 | Peyton | 25,689 |
| Elbert School District No. 200 | Elbert | 277 |
| Elizabeth School District AU | Elizabeth | |
| Ellicott School District No. 22 in the county of El Paso a | Ellicott | 1,009 |
| Englewood School District No. 1 in the county of Arapahoe | Englewood | 2,406 |
| Estes Park School District R-3 | Estes Park | 882 |
| Fort Lupton/Keenesburg AU | Keenesburg | |
| Fountain School District No. 8 in the county of El Paso an | Fountain | 7,955 |
| Fowler School District No. R4J | Fowler | 342 |
| Fremont Re-1 | Canon City | 3,191 |
| Fremont Re-1 Canon City AU | Canon City | |
| Fremont Re-2 | Florence | 1,294 |
| Fremont Re-3 | Cotopaxi | 155 |
| Front Range BOCES | Boulder | |
| Garfield School District No. Re-2 | Rifle | 4,695 |
| Genoa-Hugo School District No. C-113 | Hugo | 220 |
| Gilpin County School District No. Re-1 | Black Hawk | 392 |
| Granada School District No. Re-1 | Granada | 210 |
| Grand Valley BOCES | Grand Junction | |
| Grand Valley School District No. 16 in the county of Garfi | Parachute | 1,212 |
| GreeleySchool District No. 6 in the county of Weld and Sta | Greeley | 22,917 |
| Gunnison Re-1J AU | Gunnison | |
| Gunnison Watershed School District Re1J | Gunnison | 2,095 |
| Hanover School District No. 28 in the county of El Paso an | Colorado Springs | 264 |
| Harrison School District No. 2 in the county of El Paso an | Colorado Springs | 11,938 |
| Haxtun School District No. Re-2J | Haxtun | 297 |
| Hayden School District No. Re 1 | Hayden | 444 |
| Hi-Plains R-23 | Seibert | 96 |
| Hinsdale County School District No. Re-1 | Lake City | 75 |
| Hoehne Reorganized School District No. 3 | Trinidad | 271 |
| Holly School District No. Re-3 | Holly | 276 |
| Holyoke School District No. Re-1J | Holyoke | 512 |
| Huerfano School District Re-1 | Walsenburg | 442 |
| Idalia RJ-3 School District | Idalia | 150 |
| Ignacio School District No. 11Jt | Ignacio | 633 |
| Jefferson County School District No. R-1 | Golden | 73,532 |
| Jefferson R-1 AU | Golden | |
| Julesburg School District No. Re1 | Julesburg | 668 |
| Karval School District No. Re 23 | Karval | 29 |
| Kim Reorganized School District No. 88 | Kim | 25 |
| Kiowa County School District No. Re-1 | Eads | 211 |
| Kiowa County School District No. Re-2 | Sheridan Lake | 32 |
| Kit Carson School District No. R-1 | Kit Carson | 109 |
| La Veta School District Re-2 | La Veta | 238 |
| Lake County School District No. R-1 | Leadville | 931 |
| Lamar School District No. Re-2 | Lamar | 1,397 |
| Larimer R-1 Poudre AU | Fort Collins | |
| Larimer R-2J Thompson AU | Loveland | |
| Larimer R-3 Park AU | Estes Park | |
| Las Animas School District No. Re-1 | Las Animas | 906 |
| Lewis-Palmer Consolidated School District No. 38 in the co | Monument | 6,332 |
| Liberty J-4 School District | Joes | 76 |
| Limon School District No. Re 4J | Limon | 451 |
| Littleton School District No. 6 in the county of Arapahoe | Littleton | 13,109 |
| Logan Re-1 Valley AU | Sterling | |
| Lone Star School District No. 101 | Otis | 119 |
| Mancos School District Re-6 | Mancos | 511 |
| Manitou Springs School District No. 14 in the county of Elementary | Manitou Springs | 1,147 |
| Manzanola Joint District No. 3J of the counties of Otero a | Manzanola | 174 |
| Mapleton School District No. 1 in the county of Adams & St | Denver | 7,095 |
| McClave School District No. Re-2 | Mc Clave | 231 |
| Meeker School District Re1 | Meeker | 672 |
| Mesa 51 Grand Junction AU | Grand Junction | |
| Mesa County Valley School District No. 51 | Grand Junction | 19,753 |
| Miami-Yoder Joint District No. 60 of the counties of El Pas | Rush | 398 |
| Moffat County School District RE: No. 1 | Craig | 1,821 |
| Moffat Re-1 Craig AU | Craig | |
| Moffat School District No. 2 in the county of Saguache and | Moffat | 199 |
| Monte Vista School District No. C-8 | Monte Vista | 975 |
| Montezuma-Cortez School District No. Re-1 | Cortez | 2,380 |
| Montrose County School District Re-1J | Montrose | 5,977 |
| Montrose RE-1J AU | Montrose | |
| Morgan Re-3 Fort Morgan AU | Fort Morgan | |
| Mountain BOCES | Buena Vista | |
| Mountain BOCES AU | Carbondale | |
| Mountain Valley School District No. Re 1 | Saguache | 105 |
| North Conejos School District No. Re1J | La Jara | 927 |
| North Park School District R-1 | Walden | 144 |
| Northeast BOCES | Haxtun | |
| Northeast BOCES AU | Haxtun | |
| Northwest BOCES AU | Steamboat Springs | |
| Northwest Colorado BOCES | Steamboat Springs | |
| Norwood School District No. R-2J | Norwood | 191 |
| Otis School District No. R-3 | Otis | 192 |
| Ouray School District No. R-1 of the county of Ouray and | Ouray | 180 |
| Park County School District No. Re-2 | Fairplay | 576 |
| Peyton School District No. 23 in the county of El Paso and | Peyton | 596 |
| Pikes Peak BOCES | Colorado Springs | |
| Pikes Peak BOCES AU | Colorado Springs | |
| Plateau Valley School District No. 50 in the county of Mesa | Collbran | 303 |
| Platte Canyon School District No. 1 of the county of Park | Bailey | 688 |
| Poudre School District R-1 | Fort Collins | 29,381 |
| Primero Reorganized School District No. 2 | Weston | 213 |
| Pritchett School District No. Re-3 | Pritchett | 64 |
| Pueblo 60 Urban AU | Pueblo | |
| Pueblo 70 Rural AU | Pueblo | |
| Pueblo County School District 70 | Pueblo | 10,386 |
| Pueblo School District No. 60 in the county of Pueblo and | Pueblo | 14,104 |
| Rangely School District RE4 | Rangely | 485 |
| Revere School District | Ovid | 144 |
| Ridgway School District No. R-2 of the county of Ouray a | Ridgway | 320 |
| Rio Blanco BOCES | Rangely | |
| Rio Blanco BOCES AU | Rangely | |
| Roaring Fork School District AU | Carbondale | |
| Roaring Fork School District No. Re-1 | Carbondale | 5,839 |
| Rocky Ford School District No. R2 | Rocky Ford | 576 |
| Salida School District No. R-32 | Salida | 1,351 |
| San Juan BOCES | Durango | 48 |
| San Juan BOCES AU | Durango | |
| San Luis Valley BOCES | Alamosa | |
| San Luis Valley BOCES AU | Alamosa | |
| Sanford School District No. 6 in the county of Conejos and | Sanford | 384 |
| Sangre de Cristo School District No. Re-22J | Mosca | 256 |
| Santa Fe Trail BOCES | La Junta | |
| Santa Fe Trail BOCES AU | La Junta | |
| Sargent School District No. Re-33J | Monte Vista | 293 |
| School District 27J | Brighton | 24,046 |
| School District N. 14 in the county of Adams & State of Colo | Commerce City | 5,221 |
| School District No. 1 in the county of Denver and State of C | Denver | 90,471 |
| School District No. 3 in the county of El Paso and State of | Colorado Springs | 9,290 |
| School District No. C-2 in the county of Elbert and State of | Kiowa | 292 |
| School District No. R-4 in the county of Kit Carson and Stat | Stratton | 219 |
| School District No. Re-1 Valley | Sterling | 1,910 |
| School District No. Re-10 in the county of Weld and State o | Briggsdale | 172 |
| School District No. Re-11 in the county of Weld and State of | New Raymer | 163 |
| School District No. Re-12 in the county of Weld and State of | Grover | 61 |
| School District No. Re-2 Brush | Brush | 1,420 |
| School District No. Re-20 Weldon Valley | Weldona | 215 |
| School District No. Re-3 Fort Morgan | Fort Morgan | 3,451 |
| School District No. Re-3 Frenchman | Fleming | 221 |
| School District No. Re-4 Buffalo | Merino | 314 |
| School District No. Re-5 Plateau | Peetz | 204 |
| School District No. Re-50 Wiggins | Wiggins | 913 |
| Sheridan School District No. 2 | Englewood | 1,018 |
| Sierra Grande School District No. R-30 | Blanca | 307 |
| Silverton School District No. 1 in the county of San Juan | Silverton | 72 |
| South Central BOCES | Pueblo West | |
| South Central BOCES AU | Pueblo West | |
| South Conejos School District No. Re10 | Antonito | 196 |
| South Routt School District No. Re 3 | Oak Creek | 326 |
| Southeastern BOCES | Lamar | |
| Southeastern BOCES AU | Lamar | |
| Springfield School District No. Re-4 | Springfield | 284 |
| St. Vrain Valley School District No. Re1J | Longmont | 31,607 |
| State Charter School Institute | Denver | 19,960 |
| Steamboat Springs School District AU | Steamboat Springs | |
| Steamboat Springs School District No. Re 2 | Steamboat Springs | 2,509 |
| Strasburg School District 31J | Strasburg | 1,180 |
| Summit RE-1 AU | Frisco | |
| Summit School District No. Re 1 | Frisco | 3,473 |
| Swink School District No. 33 in the county of Otero and St | Swink | 290 |
| Telluride School District No. R-1 | Telluride | 802 |
| Thompson School District R-2J | Loveland | 14,580 |
| Trinidad School District 1 in the county of Las Animas and | Trinidad | 769 |
| Uncompahgre BOCES | Ridgway | |
| Uncompahgre BOCES AU | Ridgway | |
| Upper Rio Grande School District C-7 | Del Norte | 360 |
| Ute Pass BOCES | Manitou Springs | |
| Ute Pass BOCES AU | Woodland Park | |
| Vilas School District Re-5 | Vilas | 53 |
| Walsh School District No. Re-1 | Walsh | 177 |
| Weld 6 Greeley AU | Greeley | |
| Weld County Reorganized School District No. Re-1 | Gilcrest | 1,727 |
| Weld County Reorganized School District No. Re-4 | Windsor | 8,728 |
| Weld County School District No. Re-2 | Eaton | 2,000 |
| Weld County School District No. Re-5J | Milliken | 4,055 |
| Weld County School District No. Re-7 | Kersey | 1,195 |
| Weld County School District No. Re-9 | Ault | 976 |
| Weld County School District RE-3J | Hudson | 2,666 |
| Weld RE-4 Windsor AU | Windsor | |
| Weld RE-5J Johnstown-Milliken AU | Milliken | |
| Weld re-8 schools | Fort Lupton | 2,503 |
| West End School District No. Re-2 | Nucla | 260 |
| West Grand School District No. 1 | Kremmling | 385 |
| Westminster Public Schools | Westminster | 7,724 |
| Westminster Public Schools AU | Westminster | |
| Wiley School District No. Re-13 Jt | Wiley | 270 |
| Woodland Park School District No. Re-2 | Woodland Park | 1,744 |
| Woodlin School District No. R-104 | Woodrow | 74 |
| Wray RD-2 School District | Wray | 731 |
| Yuma 1 School District | Yuma | 802 |