Notable School Districts in Colorado

This directory-style roundup highlights 50 school districts in Colorado, selected from available COSMIQ profiles with enrollment data. The order reflects reported enrollment as a rough measure of institution size—not educational quality, outcomes, or endorsement. Enrollment figures are intentionally not shown.

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Institutions

School District No. 1 in the county of Denver and State of C — DENVER, Colorado.
Jefferson County School District No. R-1 — GOLDEN, Colorado.
Douglas County School District No. Re 1 — CASTLE ROCK, Colorado.
Cherry Creek School District No. 5 in the county of Arapah — GREENWOOD VILLAGE, Colorado.
Aurora Joint District No. 28 of the counties of Adams and A — AURORA, Colorado.
Adams 12 Five Star Schools — THORNTON, Colorado.
St. Vrain Valley School District No. Re1J — LONGMONT, Colorado.
Poudre School District R-1 — FORT COLLINS, Colorado.
Boulder Valley School District No. Re2 — BOULDER, Colorado.
Academy School District No. 20 in the county of El Paso an — COLORADO SPRINGS, Colorado.
El Paso County Colorado School District 49 — PEYTON, Colorado.
Colorado Springs School District No. 11 in the county of E — COLORADO SPRINGS, Colorado.
School District 27J — BRIGHTON, Colorado.
GreeleySchool District No. 6 in the county of Weld and Sta — GREELEY, Colorado.
Mesa County Valley School District No. 51 — GRAND JUNCTION, Colorado.
State Charter School Institute — DENVER, Colorado.
Thompson School District R-2J — LOVELAND, Colorado.
Pueblo School District No. 60 in the county of Pueblo and — PUEBLO, Colorado.
Littleton School District No. 6 in the county of Arapahoe — LITTLETON, Colorado.
Harrison School District No. 2 in the county of El Paso an — COLORADO SPRINGS, Colorado.
Pueblo County School District 70 — PUEBLO, Colorado.
School District No. 3 in the county of El Paso and State of — COLORADO SPRINGS, Colorado.
Weld County Reorganized School District No. Re-4 — WINDSOR, Colorado.
Fountain School District No. 8 in the county of El Paso an — FOUNTAIN, Colorado.
Westminster Public Schools — WESTMINSTER, Colorado.
Mapleton School District No. 1 in the county of Adams & St — DENVER, Colorado.
Eagle County School District No. Re 50 — EAGLE, Colorado.
Lewis-Palmer Consolidated School District No. 38 in the co — MONUMENT, Colorado.
Montrose County School District Re-1J — MONTROSE, Colorado.
Roaring Fork School District No. Re-1 — CARBONDALE, Colorado.
School District N. 14 in the county of Adams & State of Colo — COMMERCE CITY, Colorado.
Byers School District No. 32J — BYERS, Colorado.
Durango School District No. 9-R — DURANGO, Colorado.
Garfield School District No. Re-2 — RIFLE, Colorado.
Delta County Joint District No. 50 — DELTA, Colorado.
EDUCATION REENVISIONED BOCES — MONUMENT, Colorado.
Weld County School District No. Re-5J — MILLIKEN, Colorado.
Cheyenne Mountain School District No. 12 in the county of E — COLORADO SPRINGS, Colorado.
Summit School District No. Re 1 — FRISCO, Colorado.
School District No. Re-3 Fort Morgan — FORT MORGAN, Colorado.
Fremont Re-1 — CANON CITY, Colorado.
Weld County School District RE-3J — HUDSON, Colorado.
Steamboat Springs School District No. Re 2 — STEAMBOAT SPRINGS, Colorado.
Weld re-8 schools — FORT LUPTON, Colorado.
Montezuma-Cortez School District No. Re-1 — CORTEZ, Colorado.
Englewood School District No. 1 in the county of Arapahoe — ENGLEWOOD, Colorado.
ELIZABETH SCHOOL DISTRICT — ELIZABETH, Colorado.
Alamosa School District No. Re-11J — ALAMOSA, Colorado.
Moffat County School District RE: No. 1 — CRAIG, Colorado.
Gunnison Watershed School District Re1J — GUNNISON, Colorado.

Selection and source notes

This list covers public K–12 district profiles. District names may describe city, county, or regional systems.

COSMIQ district profiles, based on NCES Common Core of Data. The source years recorded for these district enrollment records are 2017–18; these are historical estimates, not current counts.

Source references: COSMIQ district profiles; National Center for Education Statistics, Common Core of Data (CCD).

The article includes 50 profiles from the largest available enrollment estimates in this category. This is a size-based selection, not a “best schools” or academic-quality ranking.

Editorial note: COSMIQ has not independently evaluated or endorsed the listed institutions. Profile availability and source years vary; readers should consult each institution for current details.