| Public school district | Students [a] | Primary county | Secondary county |
|---|
|
| Academy School District 20 | 26,400 | El Paso | |
| Adams 12 Five Star Schools | 36,078 | Adams | Broomfield |
| Adams County School District 14 | 6,114 | Adams | |
| Adams-Arapahoe School District 28J | 38,451 | Arapahoe | Adams |
| Agate School District 300 | 84 | Elbert | |
| Aguilar Reorganized School District RE-6 | 114 | Las Animas | |
| Akron School District R-1 | 411 | Washington | |
| Alamosa School District RE-11J | 2,188 | Alamosa | |
| Archuleta County School District 50 JT | 1,712 | Archuleta | |
| Arickaree School District R-2 | 101 | Washington | |
| Arriba-Flagler Consolidated School District 20 | 139 | Kit Carson | |
| Aspen School District 1 | 1,652 | Pitkin | |
| Ault-Highland School District RE-9 | 1,013 | Weld | |
| Bayfield School District 10 JT-R | 1,311 | La Plata | |
| Bennett School District 29J | 1,249 | Adams | |
| Bethune School District R-5 | 108 | Kit Carson | |
| Big Sandy School District 100J | 325 | Elbert | |
| Boulder Valley School District RE-2 | 29,011 | Boulder | Broomfield |
| Branson Reorganized School District RE-82 | 502 | Las Animas | |
| Briggsdale School District RE-10J | 186 | Weld | |
| Brush School District RE-2J | 1,394 | Morgan | |
| Buena Vista School District R-31 | 1,052 | Chaffee | |
| Buffalo School District RE-4J | 305 | Logan | |
| Burlington Public School District RE-6J | 749 | Kit Carson | |
| Byers School District 32J | 5,352 | Arapahoe | |
| Calhan School District RJ-1 | 446 | El Paso | |
| Campo School District RE-6 | 51 | Baca | |
| Centennial School District R-1 | 203 | Costilla | |
| Center Consolidated School District 26 JT | 617 | Saguache | Alamosa
Rio Grande |
| Charter School Institute | 21,947 | statewide | |
| Cheraw School District 31 | 231 | Otero | |
| Cherry Creek School District 5 | 53,558 | Arapahoe | |
| Cheyenne County School District RE-5 | 188 | Cheyenne | |
| Cheyenne Mountain School District 12 | 3,641 | El Paso | |
| Clear Creek School District RE-1 | 696 | Clear Creek | |
| Colorado Springs School District 11 | 23,366 | El Paso | |
| Cotopaxi School District RE-3 | 208 | Fremont | |
| Creede School District | 78 | Mineral | |
| Cripple Creek-Victor School District RE-1 | 352 | Teller | |
| Crowley County School District RE-1-J | 405 | Crowley | |
| Custer County School District C-1 | 361 | Custer | |
| DeBeque School District 49-JT | 172 | Mesa | Garfield |
| Deer Trail School District 26J | 295 | Arapahoe | |
| Delta County School District 50J | 4,738 | Delta | Gunnison
Mesa
Montrose |
| Denver County School District 1 | 88,889 [2] | Denver | |
| Dolores County School District RE-2J | 254 | Dolores | |
| Dolores School District RE-4A | 726 | Montezuma | |
| Douglas County School District RE-1 | 63,876 | Douglas | |
| Durango School District 9-R | 5,797 | La Plata | |
| Eads School District RE-1 | 219 | Kiowa | |
| Eagle County School District RE-50 | 6,689 | Eagle | |
| East Grand School District 2 | 1,286 | Grand | |
| East Otero School District R-1 | 1,358 | Otero | |
| Eaton School District RE-2 | 1,994 | Weld | |
| Edison School District 54JT | 137 | El Paso | Lincoln
Pueblo |
| El Paso County School District 49 | 24,767 | El Paso | |
| Elbert School District 200 | 281 | Elbert | |
| Elizabeth School District C-1 | 2,412 | Elbert | |
| Ellicott School District 22 | 1,002 | El Paso | |
| Englewood School District 1 | 2,440 | Arapahoe | |
| Estes Park School District R-3 | 1,058 | Larimer | |
| Fort Morgan School District RE-3 | 3,381 | Morgan | |
| Fountain School District 8 | 8,302 | El Paso | |
| Fowler School District R4J | 366 | Otero | |
| Fremont School District RE-1 | 3,325 | Fremont | |
| Fremont RE-2 School District | 1,426 | Fremont | |
| Frenchman School District RE-3 | 217 | Logan | |
| Garfield County School District 16 | 1,225 | Garfield | |
| Garfield School District RE-2 | 4,614 | Garfield | |
| Genoa-Hugo School District C-113 | 213 | Lincoln | |
| Gilpin County School District RE-1 | 437 | Gilpin | |
| Granada School District RE-1 | 196 | Prowers | |
| Greeley-Evans School District 6 | 22,170 | Weld | |
| Gunnison Watershed School District RE1J | 2,081 | Gunnison | |
| Hanover School District 28 | 283 | El Paso | |
| Harrison School District 2 | 13,002 | El Paso | |
| Haxtun School District RE-2J | 341 | Phillips | |
| Hayden School District RE-1 | 436 | Routt | |
| Hi-Plains School District R-23 | 153 | Kit Carson | |
| Hinsdale County School District RE-1 | 77 | Hinsdale | |
| Hoehne Reorganized School District RE-3 | 314 | Las Animas | |
| Holly School District RE-3 | 275 | Prowers | |
| Holyoke School District RE-1J | 578 | Phillips | |
| Huerfano School District RE-1 | 512 | Huerfano | |
| Idalia School District RJ-3 | 186 | Yuma | |
| Ignacio School District 11-JT | 640 | La Plata | |
| Jefferson County School District R-1 | 78,473 | Jefferson | Broomfield |
| Johnstown-Milliken School District RE-5J | 3,783 | Weld | |
| Julesburg School District RE-1 | 775 | Sedgwick | |
| Karval School District RE-23 | 43 | Lincoln | |
| Kim Reorganized School District RE-88 | 32 | Las Animas | |
| Kiowa School District C-2 | 276 | Elbert |
| Kit Carson School District R-1 | 100 | Cheyenne | |
| La Veta School District RE-2 | 207 | Huerfano | |
| Lake County School District R-1 | 1,010 | Lake | |
| Lamar School District RE-2 | 1,573 | Prowers | |
| Las Animas School District RE-1 | 826 | Bent | |
| Lewis-Palmer School District 38 | 6,637 | El Paso | |
| Liberty School District J-4 | 64 | Yuma | |
| Limon School District RE-4J | 448 | Lincoln | |
| Littleton School District 6 | 13,698 | Arapahoe | |
| Lone Star School District 101 | 125 | Washington | |
| Mancos School District RE-6 | 485 | Montezuma | |
| Manitou Springs School District 14 | 1,329 | El Paso | |
| Manzanola School District 3J | 151 | Otero | |
| Mapleton School District 1 | 9,002 | Adams | |
| McClave School District RE-2 | 237 | Bent | |
| Meeker School District RE-1 | 724 | Rio Blanco | |
| Mesa County Valley School District 51 | 21,315 | Mesa | |
| Miami-Yoder School District JT-60 | 313 | El Paso | Elbert
Lincoln |
| Moffat Consolidated School District 2 | 217 | Saguache | |
| Moffat County School District RE-1 | 2,118 | Moffat | |
| Monte Vista School District C-8 | 1,074 | Rio Grande | |
| Montezuma-Cortez School District RE-1 | 2,618 | Montezuma | |
| Montrose County School District RE-1J | 6,061 | Montrose | |
| Mountain Valley School District RE-1 | 185 | Saguache | |
| North Conejos School District RE-1J | 1,005 | Conejos | |
| North Park School District R-1 | 173 | Jackson | |
| Norwood School District R-2J | 199 | San Miguel | |
| Otis School District R-3 | 211 | Washington | |
| Ouray School District R-1 | 189 | Ouray | |
| Park County School District RE-2 | 596 | Park | |
| Pawnee School District RE-12 | 70 | Weld | |
| Peyton School District 23-JT | 614 | El Paso | |
| Plainview School District RE-2 | 137 | Kiowa | |
| Plateau School District RE-5 | 160 | Logan | |
| Plateau Valley School District 50 | 305 | Mesa | |
| Platte Canyon School District 1 | 837 | Park | |
| Platte Valley School District RE-7 | 1,078 | Weld | |
| Poudre School District R-1 | 29,941 | Larimer | |
| Prairie School District RE-11 | 191 | Weld | |
| Primero Reorganized School District RE-2 | 228 | Las Animas | |
| Pritchett School District RE-3 | 66 | Baca | |
| Pueblo School District 60 | 15,134 | Pueblo | |
| Pueblo County School District 70 | 10,247 | Pueblo | |
| Rangely School District RE-4 | 494 | Rio Blanco | |
| Revere School District RE-3 | 133 | Sedgwick | |
| Ridgway School District R-2 | 335 | Ouray | |
| Roaring Fork School District RE-1 | 5,306 | Garfield | |
| Rocky Ford School District R-2 | 676 | Otero | |
| Salida School District R-32 | 1,313 | Chaffee | |
| Sanford School District 6J | 369 | Conejos | |
| Sangre de Cristo School District RE-22J | 246 | Alamosa | |
| Sargent School District RE-33J | 330 | Rio Grande | |
| School District 27J | 20,338 | Adams | |
| Sheridan School District 2 | 1,177 | Arapahoe | |
| Sierra Grande School District R-30 | 259 | Costilla | |
| Silverton School District 1 | 86 | San Juan | |
| South Conejos School District RE-10 | 149 | Conejos | |
| South Routt School District RE-3 | 339 | Routt | |
| Springfield School District RE-4 | 278 | Baca | |
| St. Vrain Valley School District RE-1J | 32,406 | Boulder | Broomfield
Larimer
Weld |
| Steamboat Springs School District RE-2 | 2,640 | Routt | |
| Strasburg School District 31J | 1,171 | Adams | |
| Stratton School District R-4 | 231 | Kit Carson | |
| Summit School District RE-1 | 3,620 | Summit | |
| Swink School District 33 | 312 | Otero | |
| Telluride School District R-1 | 876 | San Miguel | |
| Thompson School District R-2J | 15,291 | Larimer | |
| Trinidad School District 1 | 789 | Las Animas | |
| Upper Rio Grande School District C-7 | 403 | Rio Grande | |
| Valley School District RE-1 | 1,996 | Logan | |
| Vilas School District RE-5 | 222 | Baca | |
| Walsh School District RE-1 | 161 | Baca | |
| Weld County School District RE-1 | 1,892 | Weld | |
| Weld County School District RE-3J | 2,693 | Weld | |
| Weld County School District RE-8 | 2,482 | Weld | |
| Weldon Valley School District RE-20J | 225 | Morgan | |
| West End School District RE-2 | 272 | Montrose | |
| West Grand School District 1-JT | 393 | Grand | |
| Westminster School District 50 | 8,320 | Adams | |
| Widefield School District 3 | 9,370 | El Paso | |
| Wiggins School District RE-50J | 819 | Morgan | |
| Wiley School District RE-13-JT | 262 | Prowers | |
| Weld County School District RE-4 | 8,549 | Weld | |
| Woodland Park School District RE-2 | 1,832 | Teller | |
| Woodlin School District R-104 | 72 | Washington | |
| Wray School District RD-2 | 749 | Yuma | |
| Yuma School District 1 | 876 | Yuma | |
