allk12 · Rankings · Highest ratio · Colorado

The public schools with the highest student-to-teacher ratios in Colorado

This ranking covers the public schools with the highest student-to-teacher ratios in Colorado, drawn from 1,385 qualifying public schools. Foundations Academy leads the list at 48.0:1, against a median of 15.8:1 across the ranked schools.

The table below is sortable and filterable, and the full list downloads as a CSV. Figures come from federal NCES enrollment data and, where applicable, state assessment results for 2024-25.

Schools ranked

1,385

Colorado

Top Students/teacher

48.0:1

Median Students/teacher

15.8:1

HIGHEST RATIO · COLORADO

#	School	City	District	Level	Students	Ratio
1	Foundations Academy	BRIGHTON, CO	School District 27J	Elementary	763	48.0:1
2	Laredo Child Development Center	AURORA, CO	Aurora Joint District No. 28 of the counties of Adams and A	Elementary	210	42.0:1
3	Odyssey Early College and Career Options	COLORADO SPRINGS, CO	Colorado Springs School District No. 11 in the county of E	High	287	28.7:1
4	Bromley East Charter School	BRIGHTON, CO	School District 27J	Elementary	1,214	28.6:1
5	Wamsley Elementary School	RIFLE, CO	Garfield School District No. Re-2	Elementary	420	26.5:1
6	East Middle School	AURORA, CO	Aurora Joint District No. 28 of the counties of Adams and A	Middle	634	26.4:1
7	Swallows Charter Academy	PUEBLO WEST, CO	Pueblo County School District 70	Elementary	677	25.8:1
8	Eagle Ridge Academy	BRIGHTON, CO	School District 27J	High	593	25.2:1
9	Colorado Early Colleges Fort Collins	FORT COLLINS, CO	State Charter School Institute	High	971	24.5:1
10	Community Leadership Academy	COMMERCE CITY, CO	State Charter School Institute	Elementary	316	24.5:1
11	Castle View High School	CASTLE ROCK, CO	Douglas County School District No. Re 1	High	1,938	24.2:1
12	Colorado Early Colleges Aurora	AURORA, CO	State Charter School Institute	High	567	24.1:1
13	Global Leadership Academy	DENVER, CO	Mapleton School District No. 1 in the county of Adams & St	High	400	23.9:1
14	Westminster High School	WESTMINSTER, CO	Westminster Public Schools	High	2,010	23.5:1
15	Mountain Vista High School	HIGHLANDS RANCH, CO	Douglas County School District No. Re 1	High	2,169	23.5:1
16	Central High School	PUEBLO, CO	Pueblo School District No. 60 in the county of Pueblo and	High	1,145	23.5:1
17	Erie High School	ERIE, CO	St. Vrain Valley School District No. Re1J	High	1,727	23.4:1
18	Coronado High School	COLORADO SPRINGS, CO	Colorado Springs School District No. 11 in the county of E	High	1,279	23.3:1
19	Niwot High School	NIWOT, CO	St. Vrain Valley School District No. Re1J	High	1,509	23.3:1
20	Legend High School	PARKER, CO	Douglas County School District No. Re 1	High	2,206	23.2:1
21	Fairview High School	BOULDER, CO	Boulder Valley School District No. Re2	High	1,863	23.1:1
22	Silver Creek High School	LONGMONT, CO	St. Vrain Valley School District No. Re1J	High	1,208	23.0:1
23	Las Animas Elementary School	LAS ANIMAS, CO	Las Animas School District No. Re-1	Elementary	209	22.9:1
24	Colorado Early Colleges Douglas County	ENGLEWOOD, CO	State Charter School Institute	High	1,035	22.7:1
25	Landmark Academy at Reunion	COMMERCE CITY, CO	School District 27J	Elementary	758	22.7:1
26	Lewis-Palmer High School	MONUMENT, CO	Lewis-Palmer Consolidated School District No. 38 in the co	High	1,144	22.6:1
27	Palmer High School	COLORADO SPRINGS, CO	Colorado Springs School District No. 11 in the county of E	High	1,265	22.6:1
28	Byers Junior-Senior High School	BYERS, CO	Byers School District No. 32J	High	235	22.6:1
29	Arapahoe High School	CENTENNIAL, CO	Littleton School District No. 6 in the county of Arapahoe	High	1,748	22.5:1
30	Vega Collegiate Academy	AURORA, CO	Aurora Joint District No. 28 of the counties of Adams and A	Elementary	583	22.4:1
31	Frederick Senior High School	FREDERICK, CO	St. Vrain Valley School District No. Re1J	High	1,491	22.4:1
32	Heritage High School	LITTLETON, CO	Littleton School District No. 6 in the county of Arapahoe	High	1,748	22.4:1
33	Fort Collins Montessori School	FORT COLLINS, CO	Poudre School District R-1	Elementary	278	22.3:1
34	Rock Canyon High School	HIGHLANDS RANCH, CO	Douglas County School District No. Re 1	High	2,325	22.3:1
35	Monarch High School	LOUISVILLE, CO	Boulder Valley School District No. Re2	High	1,431	22.2:1
36	Tointon Academy of Pre-Engineering	GREELEY, CO	GreeleySchool District No. 6 in the county of Weld and Sta	Elementary	1,127	22.2:1
37	Thunderridge High School	HIGHLANDS RANCH, CO	Douglas County School District No. Re 1	High	1,820	22.2:1
38	Academy of Advanced Learning	AURORA, CO	State Charter School Institute	Elementary	847	22.1:1
39	Strasburg High School	STRASBURG, CO	Strasburg School District 31J	High	364	21.9:1
40	Hinkley High School	AURORA, CO	Aurora Joint District No. 28 of the counties of Adams and A	High	1,527	21.8:1
41	Southlawn Elementary School	COMMERCE CITY, CO	School District 27J	Elementary	673	21.8:1
42	Bennett Middle School	BENNETT, CO	Bennett School District No. 29J	Middle	281	21.7:1
43	Broomfield High School	BROOMFIELD, CO	Boulder Valley School District No. Re2	High	1,693	21.7:1
44	Sierra Grande K-12 School	BLANCA, CO	Sierra Grande School District No. R-30	Combined	307	21.7:1
45	Riverdale Ridge High School	THORNTON, CO	School District 27J	High	1,784	21.7:1
46	Arvada West High School	ARVADA, CO	Jefferson County School District No. R-1	High	1,923	21.6:1
47	Dennison Elementary School	LAKEWOOD, CO	Jefferson County School District No. R-1	Elementary	575	21.6:1
48	Chaparral High School	PARKER, CO	Douglas County School District No. Re 1	High	2,007	21.5:1
49	Golden High School	GOLDEN, CO	Jefferson County School District No. R-1	High	1,469	21.4:1
50	Sunset Ridge PK-8	WESTMINSTER, CO	Westminster Public Schools	Elementary	449	21.4:1

Page 1 of 28 · top 1,385 of 1,385 ranked. NCES + state assessment data, 2024-25.↓ Download full CSV

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DATA NOTICE

allk12 is independent and not affiliated with, endorsed by, or sponsored by NCES, the US Census Bureau, any state education agency or assessment program, or any other government agency. Source data is compiled from public records and provided "as is," without warranty of accuracy or completeness. You rely on it, and any analysis derived from it, at your own risk. See the full disclaimer.