| 1 | School District No. 1 in the county of Denver and State of C | DENVER | 88,258 |
| 2 | Jefferson County School District No. R-1 | GOLDEN | 74,251 |
| 3 | Douglas County School District No. Re 1 | CASTLE ROCK | 61,409 |
| 4 | Cherry Creek School District No. 5 in the county of Arapah | GREENWOOD VILLAGE | 51,808 |
| 5 | Aurora Joint District No. 28 of the counties of Adams and A | AURORA | 38,178 |
| 6 | Adams 12 Five Star Schools | THORNTON | 34,998 |
| 7 | St. Vrain Valley School District No. Re1J | LONGMONT | 31,757 |
| 8 | Poudre School District R-1 | FORT COLLINS | 29,772 |
| 9 | Boulder Valley School District No. Re2 | BOULDER | 28,357 |
| 10 | Academy School District No. 20 in the county of El Paso an | COLORADO SPRINGS | 25,674 |
| 11 | El Paso County Colorado School District 49 | PEYTON | 24,867 |
| 12 | School District 27J | BRIGHTON | 23,139 |
| 13 | Colorado Springs School District No. 11 in the county of E | COLORADO SPRINGS | 22,740 |
| 14 | GreeleySchool District No. 6 in the county of Weld and Sta | GREELEY | 22,505 |
| 15 | Mesa County Valley School District No. 51 | GRAND JUNCTION | 20,078 |
| 16 | State Charter School Institute | DENVER | 19,593 |
| 17 | Thompson School District R-2J | LOVELAND | 14,907 |
| 18 | Pueblo School District No. 60 in the county of Pueblo and | PUEBLO | 14,567 |
| 19 | Littleton School District No. 6 in the county of Arapahoe | LITTLETON | 13,251 |
| 20 | Harrison School District No. 2 in the county of El Paso an | COLORADO SPRINGS | 12,024 |
| 21 | Pueblo County School District 70 | PUEBLO | 10,644 |
| 22 | School District No. 3 in the county of El Paso and State of | COLORADO SPRINGS | 9,377 |
| 23 | Weld County Reorganized School District No. Re-4 | WINDSOR | 8,458 |
| 24 | Fountain School District No. 8 in the county of El Paso an | FOUNTAIN | 7,885 |
| 25 | Westminster Public Schools | WESTMINSTER | 7,631 |
| 26 | Mapleton School District No. 1 in the county of Adams & St | DENVER | 7,016 |
| 27 | Eagle County School District No. Re 50 | EAGLE | 6,492 |
| 28 | Byers School District No. 32J | BYERS | 6,456 |
| 29 | Lewis-Palmer Consolidated School District No. 38 in the co | MONUMENT | 6,405 |
| 30 | Montrose County School District Re-1J | MONTROSE | 6,029 |
| 31 | Roaring Fork School District No. Re-1 | CARBONDALE | 5,841 |
| 32 | School District N. 14 in the county of Adams & State of Colo | COMMERCE CITY | 5,484 |
| 33 | Durango School District No. 9-R | DURANGO | 5,146 |
| 34 | Garfield School District No. Re-2 | RIFLE | 4,786 |
| 35 | Delta County Joint District No. 50 | DELTA | 4,489 |
| 36 | EDUCATION REENVISIONED BOCES | MONUMENT | 4,113 |
| 37 | Weld County School District No. Re-5J | MILLIKEN | 3,976 |
| 38 | Cheyenne Mountain School District No. 12 in the county of E | COLORADO SPRINGS | 3,763 |
| 39 | Summit School District No. Re 1 | FRISCO | 3,570 |
| 40 | School District No. Re-3 Fort Morgan | FORT MORGAN | 3,427 |
| 41 | Fremont Re-1 | CANON CITY | 3,177 |
| 42 | Weld County School District RE-3J | HUDSON | 2,715 |
| 43 | Steamboat Springs School District No. Re 2 | STEAMBOAT SPRINGS | 2,572 |
| 44 | Montezuma-Cortez School District No. Re-1 | CORTEZ | 2,505 |
| 45 | Weld re-8 schools | FORT LUPTON | 2,497 |
| 46 | Englewood School District No. 1 in the county of Arapahoe | ENGLEWOOD | 2,368 |
| 47 | ELIZABETH SCHOOL DISTRICT | ELIZABETH | 2,346 |
| 48 | Gunnison Watershed School District Re1J | GUNNISON | 2,065 |
| 49 | Alamosa School District No. Re-11J | ALAMOSA | 2,056 |
| 50 | Weld County School District No. Re-2 | EATON | 2,007 |