| School district | City | Teachers (FTE) | Website |
|---|---|---|---|
| School District No. 1 in the county of Denver and State of C | Denver | 6,007 | Official site |
| Jefferson County School District No. R-1 | Golden | 4,414 | Official site |
| Douglas County School District No. Re 1 | Castle Rock | 3,515 | Official site |
| Cherry Creek School District No. 5 in the county of Arapah | Greenwood Village | 3,213 | Official site |
| Aurora Joint District No. 28 of the counties of Adams and A | Aurora | 2,338 | Official site |
| Adams 12 Five Star Schools | Thornton | 1,998 | Official site |
| St. Vrain Valley School District No. Re1J | Longmont | 1,957 | Official site |
| Poudre School District R-1 | Fort Collins | 1,875 | Official site |
| Boulder Valley School District No. Re2 | Boulder | 1,592 | Official site |
| Academy School District No. 20 in the county of El Paso an | Colorado Springs | 1,570 | Official site |
| Colorado Springs School District No. 11 in the county of E | Colorado Springs | 1,491 | Official site |
| El Paso County Colorado School District 49 | Peyton | 1,381 | Official site |
| Mesa County Valley School District No. 51 | Grand Junction | 1,261 | Official site |
| GreeleySchool District No. 6 in the county of Weld and Sta | Greeley | 1,238 | Official site |
| School District 27J | Brighton | 1,231 | Official site |
| Thompson School District R-2J | Loveland | 933 | Official site |
| Pueblo School District No. 60 in the county of Pueblo and | Pueblo | 845 | Official site |
| Harrison School District No. 2 in the county of El Paso an | Colorado Springs | 828 | Official site |
| Littleton School District No. 6 in the county of Arapahoe | Littleton | 766 | Official site |
| School District No. 3 in the county of El Paso and State of | Colorado Springs | 578 | Official site |
| Pueblo County School District 70 | Pueblo | 563 | Official site |
| Weld County Reorganized School District No. Re-4 | Windsor | 519 | Official site |
| Eagle County School District No. Re 50 | Eagle | 499 | Official site |
| Fountain School District No. 8 in the county of El Paso an | Fountain | 484 | Official site |
| Westminster Public Schools | Westminster | 428 | Official site |
| Roaring Fork School District No. Re-1 | Carbondale | 410 | Official site |
| Mapleton School District No. 1 in the county of Adams & St | Denver | 405 | Official site |
| Lewis-Palmer Consolidated School District No. 38 in the co | Monument | 370 | Official site |
| Montrose County School District Re-1J | Montrose | 352 | Official site |
| Durango School District No. 9-R | Durango | 341 | Official site |
| School District N. 14 in the county of Adams & State of Colo | Commerce City | 319 | Official site |
| Summit School District No. Re 1 | Frisco | 273 | Official site |
| Garfield School District No. Re-2 | Rifle | 269 | Official site |
| Delta County Joint District No. 50 | Delta | 263 | Official site |
| Cheyenne Mountain School District No. 12 in the county of E | Colorado Springs | 249 | Official site |
| Weld County School District No. Re-5J | Milliken | 235 | Official site |
| School District No. Re-3 Fort Morgan | Fort Morgan | 230 | Official site |
| Fremont Re-1 | Canon City | 211 | Official site |
| Steamboat Springs School District No. Re 2 | Steamboat Springs | 195 | Official site |
| Weld County School District RE-3J | Hudson | 172 | Official site |
| Byers School District No. 32J | Byers | 167 | Official site |
| Englewood School District No. 1 in the county of Arapahoe | Englewood | 166 | Official site |
| Montezuma-Cortez School District No. Re-1 | Cortez | 150 | Official site |
| Weld re-8 schools | Fort Lupton | 148 | Official site |
| ELIZABETH SCHOOL DISTRICT | Elizabeth | 144 | Official site |
| Gunnison Watershed School District Re1J | Gunnison | 143 | Official site |
| Alamosa School District No. Re-11J | Alamosa | 140 | Official site |
| Moffat County School District RE: No. 1 | Craig | 135 | Official site |
| School District No. Re-1 Valley | Sterling | 130 | Official site |
| Weld County Reorganized School District No. Re-1 | Gilcrest | 129 | Official site |
| Aspen School District No. 1 in the county of Pitkin and Sta | Aspen | 127 | Official site |
| Weld County School District No. Re-2 | Eaton | 127 | Official site |
| Woodland Park School District No. Re-2 | Woodland Park | 124 | Official site |
| Archuleta County School District No. 50 Jt | Pagosa Springs | 113 | Official site |
| East Grand School District No. 2 | Granby | 102 | Official site |
| Salida School District No. R-32 | Salida | 102 | Official site |
| Bayfield School District No. 10Jt-R | Bayfield | 99 | Official site |
| Manitou Springs School District No. 14 in the county of El | Manitou Springs | 94 | Official site |
| Lamar School District No. Re-2 | Lamar | 93 | Official site |
| Bennett School District No. 29J | Bennett | 91 | Official site |
| East Otero School District No. R1 | La Junta | 91 | Official site |
| Fremont Re-2 | Florence | 86 | Official site |
| School District No. Re-2 Brush | Brush | 83 | Official site |
| Weld County School District No. Re-7 | Kersey | 83 | Official site |
| Grand Valley School District No. 16 in the county of Garfi | Parachute | 79 | Official site |
| Monte Vista School District No. C-8 | Monte Vista | 78 | Official site |
| Buena Vista School District No. R-31 | Buena Vista | 73 | Official site |
| Ellicott School District No. 22 in the county of El Paso a | Ellicott | 71 | Official site |
| Estes Park School District R-3 | Estes Park | 69 | Official site |
| North Conejos School District No. Re1J | La Jara | 68 | Official site |
| Sheridan School District No. 2 | Englewood | 68 | Official site |
| Strasburg School District 31J | Strasburg | 67 | Official site |
| Telluride School District No. R-1 | Telluride | 64 | Official site |
| Weld County School District No. Re-9 | Ault | 64 | Official site |
| Ignacio School District No. 11Jt | Ignacio | 61 | Official site |
| Yuma 1 School District | Yuma | 61 | Official site |
| Lake County School District No. R-1 | Leadville | 59 | Official site |
| School District No. Re-50 Wiggins | Wiggins | 56 | Official site |
| Dolores School District No. Re-4A | Dolores | 53 | Official site |
| Platte Canyon School District No. 1 of the county of Park | Bailey | 53 | Official site |
| Clear Creek School District No. Re-1 | Idaho Springs | 51 | Official site |
| Rocky Ford School District No. R2 | Rocky Ford | 51 | Official site |
| Meeker School District Re1 | Meeker | 48 | Official site |
| Wray RD-2 School District | Wray | 48 | Official site |
| Burlington Public School District No. RE-6J | Burlington | 46 | Official site |
| Center Consolidated School District No. 26 Jt. of the count | Center | 46 | Official site |
| Holyoke School District No. Re-1J | Holyoke | 44 | Official site |
| Trinidad School District 1 in the county of Las Animas and | Trinidad | 44 | Official site |
| Peyton School District No. 23 in the county of El Paso and | Peyton | 42 | Official site |
| Rangely School District RE4 | Rangely | 38 | Official site |
| Akron School District No. R-1 | Akron | 37 | Official site |
| Calhan District No. RJ1 | Calhan | 37 | Official site |
| Las Animas School District No. Re-1 | Las Animas | 37 | Official site |
| Branson Reorganized School District No. 82 | Branson | 36 | Official site |
| Upper Rio Grande School District C-7 | Del Norte | 36 | Official site |
| Fowler School District No. R4J | Fowler | 35 | Official site |
| Mancos School District Re-6 | Mancos | 35 | Official site |
| Park County School District No. Re-2 | Fairplay | 34 | Official site |
| Hayden School District No. Re 1 | Hayden | 33 | Official site |
| West Grand School District No. 1 | Kremmling | 33 | Official site |
| Big Sandy School District No. 100J | Simla | 32 | Official site |
| Huerfano School District Re-1 | Walsenburg | 31 | Official site |
| Limon School District No. Re 4J | Limon | 31 | Official site |
| Ridgway School District No. R-2 of the county of Ouray a | Ridgway | 31 | Official site |
| Julesburg School District No. Re1 | Julesburg | 30 | Official site |
| Springfield School District No. Re-4 | Springfield | 30 | Official site |
| Custer County School District Consolidate 1 | Westcliffe | 29 | Official site |
| Deer Trail School District No. 26J | Deer Trail | 28 | Official site |
| Gilpin County School District No. Re-1 | Black Hawk | 28 | Official site |
| South Routt School District No. Re 3 | Oak Creek | 27 | Official site |
| School District No. C-2 in the county of Elbert and State of | Kiowa | 26 | Official site |
| Sanford School District No. 6 in the county of Conejos and | Sanford | 25 | Official site |
| Sangre de Cristo School District No. Re-22J | Mosca | 25 | Official site |
| Sargent School District No. Re-33J | Monte Vista | 25 | Official site |
| Wiley School District No. Re-13 Jt | Wiley | 25 | Official site |
| Elbert School District No. 200 | Elbert | 24 | Official site |
| Haxtun School District No. Re-2J | Haxtun | 24 | Official site |
| Plateau Valley School District No. 50 in the county of Mesa | Collbran | 24 | Official site |
| Swink School District No. 33 in the county of Otero and St | Swink | 24 | Official site |
| Crowley County School District No. Re-1-J | Ordway | 22 | Official site |
| Granada School District No. Re-1 | Granada | 22 | Official site |
| Ouray School District No. R-1 of the county of Ouray and | Ouray | 22 | Official site |
| Dolores County School District RE-2J | Dove Creek | 21 | Official site |
| Miami-Yoder Joint District No. 60 of the counties of El Pas | Rush | 21 | Official site |
| Hanover School District No. 28 in the county of El Paso an | Colorado Springs | 20 | Official site |
| Holly School District No. Re-3 | Holly | 20 | Official site |
| McClave School District No. Re-2 | Mc Clave | 20 | Official site |
| School District No. Re-10 in the county of Weld and State o | Briggsdale | 20 | Official site |
| School District No. Re-4 Buffalo | Merino | 20 | Official site |
| Cripple Creek-Victor School District No. Re-1 | Cripple Creek | 19 | Official site |
| School District No. Re-20 Weldon Valley | Weldona | 19 | Official site |
| West End School District No. Re-2 | Nucla | 19 | Official site |
| Kiowa County School District No. Re-1 | Eads | 18 | Official site |
| Moffat School District No. 2 in the county of Saguache and | Moffat | 18 | Official site |
| Otis School District No. R-3 | Otis | 18 | Official site |
| School District No. Re-3 Frenchman | Fleming | 18 | Official site |
| Arriba-Flagler Consolidated School District No. 20 | Flagler | 17 | Official site |
| Genoa-Hugo School District No. C-113 | Hugo | 17 | Official site |
| Hoehne Reorganized School District No. 3 | Trinidad | 17 | Official site |
| Norwood School District No. R-2J | Norwood | 17 | Official site |
| School District No. R-4 in the county of Kit Carson and Stat | Stratton | 17 | Official site |
| South Conejos School District No. Re10 | Antonito | 17 | Official site |
| Cheyenne County School District No. Re-5 | Cheyenne Wells | 16 | Official site |
| Fremont Re-3 | Cotopaxi | 16 | Official site |
| Idalia RJ-3 School District | Idalia | 16 | Official site |
| Kit Carson School District No. R-1 | Kit Carson | 16 | Official site |
| La Veta School District Re-2 | La Veta | 16 | Official site |
| Primero Reorganized School District No. 2 | Weston | 16 | Official site |
| Revere School District | Ovid | 16 | Official site |
| School District No. Re-11 in the county of Weld and State of | New Raymer | 16 | Official site |
| School District No. Re-5 Plateau | Peetz | 16 | Official site |
| Walsh School District No. Re-1 | Walsh | 16 | Official site |
| Centennial School District No. R-1 | San Luis | 15 | Official site |
| Creede School District | Creede | 15 | Official site |
| Hi-Plains R-23 | Seibert | 15 | Official site |
| Manzanola Joint District No. 3J of the counties of Otero a | Manzanola | 15 | Official site |
| Cheraw School District No. 31 in the county of Otero and S | Cheraw | 14 | Official site |
| De Beque Joint District No. 49 of the counties of Mesa and | De Beque | 14 | Official site |
| Sierra Grande School District No. R-30 | Blanca | 14 | Official site |
| Bethune School District No. R- 5 | Bethune | 13 | Official site |
| Mountain Valley School District No. Re 1 | Saguache | 13 | Official site |
| North Park School District R-1 | Walden | 13 | Official site |
| Aguilar Reorganized School District No. 6 | Aguilar | 12 | Official site |
| Hinsdale County School District No. Re-1 | Lake City | 11 | Official site |
| Liberty J-4 School District | Joes | 11 | Official site |
| Lone Star School District No. 101 | Otis | 11 | Official site |
| Pritchett School District No. Re-3 | Pritchett | 10 | Official site |
| School District No. Re-12 in the county of Weld and State of | Grover | 10 | Official site |
| Agate School District No. 300 | Agate | 9 | Official site |
| Arickaree School District No. R-2 | Anton | 9 | Official site |
| Woodlin School District No. R-104 | Woodrow | 9 | Official site |
| Edison Joint District No. 54 of the counties of El Paso and | Yoder | 8 | Official site |
| Kiowa County School District No. Re-2 | Sheridan Lake | 8 | Official site |
| Vilas School District Re-5 | Vilas | 8 | Official site |
| Kim Reorganized School District No. 88 | Kim | 7 | Official site |
| Silverton School District No. 1 in the county of San Juan | Silverton | 7 | Official site |
| Campo School District No. Re-6 | Campo | 6 | Official site |
| Karval School District No. Re 23 | Karval | 5 | Official site |
Largest first by teachers (fte), as each employer reports it to its federal registry.
Source: National Center for Education Statistics, Common Core of Data, 2024–25 local education agency universe (directory and staff). Data captured September 30, 2026.
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