The average student-teacher ratio in Colorado public high schools is approximately 18:1 (2026).
Student-Teacher Ratio Range: 2:1
8:1
Avg. Student-Teacher Ratio: 5:1
Public High Schools Student-Teacher Ratio Statistics in Colorado (2026)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Student-Teacher Ratio
Grades
Location
Rank: #1 - 31. - 3.
Connections Learning Center On The Earle Johnson Campus
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 2:1
Grades: 6-9
1200 Johnson Road
Golden, CO 80401
(303) 982-7004
Golden, CO 80401
(303) 982-7004
Rank: #1 - 31. - 3.
Student-Teacher Ratio: 2:1
Grades: K-12
430 Beacon Lite Road Suite 150
Monument, CO 80132
(719) 963-9824
Monument, CO 80132
(719) 963-9824
Rank: #1 - 31. - 3.
Gilliam Youth Services Center
Alternative School
Student-Teacher Ratio: 2:1
Grades: 5-12
2844 Downing
Denver, CO 80205
(303) 294-8930
Denver, CO 80205
(303) 294-8930
Rank: #4 - 64. - 6.
Plainview Junior-senior High School
(Reading: <50%)
Student-Teacher Ratio: 3:1
Grades: 6-12
13997 County Road 71
Sheridan Lake, CO 81071
(719) 729-3331
Sheridan Lake, CO 81071
(719) 729-3331
Rank: #4 - 64. - 6.
Rocky Mountain Youth Services Center
Alternative School
Student-Teacher Ratio: 3:1
Grades: 5-12
7862 West Mansfield Parkway
Denver, CO 80235
(303) 987-4575
Denver, CO 80235
(303) 987-4575
Rank: #4 - 64. - 6.
Zebulon Pike Youth Services Center
Alternative School
Student-Teacher Ratio: 3:1
Grades: 4-12
1427 West Rio Grande
Colorado Springs, CO 80906
(719) 390-2766
Colorado Springs, CO 80906
(719) 390-2766
Rank: #7 - 137. - 13.
Edison Junior-senior High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 4:1
Grades: 6-12
14550 Edison Road
Yoder, CO 80864
(719) 478-2125
Yoder, CO 80864
(719) 478-2125
Rank: #7 - 137. - 13.
Gateway School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 4:1
Grades: PK-12
42575 Highway 141
Gateway, CO 81522
(970) 254-7080
Gateway, CO 81522
(970) 254-7080
Rank: #7 - 137. - 13.
Kim Undivided High School
(Reading: ≥50%)
Student-Teacher Ratio: 4:1
Grades: 6-12
425 State Street
Kim, CO 81049
(719) 643-5295
Kim, CO 81049
(719) 643-5295
Rank: #7 - 137. - 13.
Longview High School
Alternative School
(Math: <50%)
Student-Teacher Ratio: 4:1
Grades: 9-12
13301 West 2nd Place
Denver, CO 80228
(303) 982-8523
Denver, CO 80228
(303) 982-8523
Rank: #7 - 137. - 13.
Prep Academy
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 4:1
Grades: 6-12
2727 Columbine Street
Denver, CO 80205
(720) 424-8451
Denver, CO 80205
(720) 424-8451
Rank: #7 - 137. - 13.
Student-Teacher Ratio: 4:1
Grades: 9-12
533 Irving Street
Pritchett, CO 81064
(719) 523-4045
Pritchett, CO 81064
(719) 523-4045
Rank: #7 - 137. - 13.
Warren Technical
Vocational School
Student-Teacher Ratio: 4:1
Grades: 11-12
13300 West 2nd Place
Denver, CO 80228
(303) 982-8600
Denver, CO 80228
(303) 982-8600
Rank: #14 - 2114. - 21.
Campo Undivided High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 5:1
Grades: 6-12
480 Maple Street
Campo, CO 81029
(719) 787-2226
Campo, CO 81029
(719) 787-2226
Rank: #14 - 2114. - 21.
Colorado School For The Deaf And Blind
Special Education School
(Math: ≤10% | Reading: ≤5%)
Rank:
Rank:
1/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: PK-12
33 N. Institute St.
Colorado Springs, CO 80903
(719) 578-2100
Colorado Springs, CO 80903
(719) 578-2100
Rank: #14 - 2114. - 21.
Edcsd
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 5:1
Grades: 9-12
373 Inverness Parkway Ste 207
Englewood, CO 80112
(303) 387-9600
Englewood, CO 80112
(303) 387-9600
Rank: #14 - 2114. - 21.
Girls Athletic Leadership School High School
Charter School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: 9-12
750 Galapago Street
Denver, CO 80204
(303) 282-6437
Denver, CO 80204
(303) 282-6437
Rank: #14 - 2114. - 21.
Student-Teacher Ratio: 5:1
Grades: 6-12
16232 County Road 29
Karval, CO 80823
(719) 446-5311
Karval, CO 80823
(719) 446-5311
Rank: #14 - 2114. - 21.
Marvin W Foote Youth Services Center
Alternative School
Student-Teacher Ratio: 5:1
Grades: 5-12
13500 East Fremont Place
Englewood, CO 80112
(303) 768-7596
Englewood, CO 80112
(303) 768-7596
Rank: #14 - 2114. - 21.
Miller Special Education
Special Education School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: PK-12
200 Kipling Street
Denver, CO 80226
(303) 982-7200
Denver, CO 80226
(303) 982-7200
Rank: #14 - 2114. - 21.
Rocky Mountain Deaf School
Special Education School
Charter School
Charter School
(Math: ≤10% | Reading: 20-29%)
Rank:
Rank:
2/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: PK-12
10300 W. Nassau Ave
Denver, CO 80235
(303) 984-5749
Denver, CO 80235
(303) 984-5749
Rank: #22 - 2622. - 26.
Creede School
(Math: 30-39% | Reading: 50-59%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 6:1
Grades: PK-12
308 La Garita Avenue
Creede, CO 81130
(719) 658-2220
Creede, CO 81130
(719) 658-2220
Rank: #22 - 2622. - 26.
Hi-plains School District R-23
(Math: 20-29% | Reading: 30-39%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 6:1
Grades: PK-12
200 Iowa Ave
Seibert, CO 80834
(970) 664-2616
Seibert, CO 80834
(970) 664-2616
Rank: #22 - 2622. - 26.
Pawnee School Pk-12
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 6:1
Grades: PK-12
19 Chatoga
Grover, CO 80729
(970) 895-2222
Grover, CO 80729
(970) 895-2222
Rank: #22 - 2622. - 26.
Prairie Vista Youth Services Center
Alternative School
(Math: <50%)
Student-Teacher Ratio: 6:1
Grades: 4-12
192 Bromley Business Parkway
Brighton, CO 80603
(303) 659-4450
Brighton, CO 80603
(303) 659-4450
Rank: #22 - 2622. - 26.
Student-Teacher Ratio: 6:1
Grades: 9-12
2900 Richard Allen Ct
Denver, CO 80205
(720) 423-7260
Denver, CO 80205
(720) 423-7260
Rank: #27 - 3227. - 32.
Arickaree Undivided High School
(Math: <50% | Reading: 21-39%)
Rank:
Rank:
6/
Top 50%10
Student-Teacher Ratio: 7:1
Grades: 6-12
12155 County Road Nn
Anton, CO 80801
(970) 383-2202
Anton, CO 80801
(970) 383-2202
Rank: #27 - 3227. - 32.
Branson School
(Math: 11-19% | Reading: 40-49%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 7:1
Grades: PK-12
101 Saddlerock Drive
Branson, CO 81027
(719) 946-5531
Branson, CO 81027
(719) 946-5531
Rank: #27 - 3227. - 32.
Lake City Community School
(Math: 50-59% | Reading: 40-49%)
Rank:
Rank:
7/
Top 50%10
Student-Teacher Ratio: 7:1
Grades: PK-12
614 North Silver Street
Lake City, CO 81235
(970) 944-2314
Lake City, CO 81235
(970) 944-2314
Rank: #27 - 3227. - 32.
Liberty School
Vocational School
Student-Teacher Ratio: 7:1
Grades: PK-12
9332 Highway 36
Joes, CO 80822
(970) 358-4288
Joes, CO 80822
(970) 358-4288
Rank: #27 - 3227. - 32.
Ouray Senior High School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 7:1
Grades: 9-12
400 7th Avenue
Ouray, CO 81427
(970) 325-4505
Ouray, CO 81427
(970) 325-4505
Rank: #27 - 3227. - 32.
Sobesky Academy
Special Education School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 7:1
Grades: K-12
2001 Hoyt Street
Denver, CO 80215
(303) 982-5995
Denver, CO 80215
(303) 982-5995
Rank: #33 - 4833. - 48.
5280 High School
Alternative School
Charter School
Charter School
(Math: ≤20% | Reading: 40-59%)
Rank:
Rank:
5/
Bottom 50%10
Student-Teacher Ratio: 8:1
Grades: 9-12
1200 W Mississippi Ave
Denver, CO 80223
(720) 919-1056
Denver, CO 80223
(720) 919-1056
Rank: #33 - 4833. - 48.
Agate Junior Senior High School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 8:1
Grades: 6-12
41032 2nd Avenue
Agate, CO 80101
(719) 764-2741
Agate, CO 80101
(719) 764-2741
Rank: #33 - 4833. - 48.
Aspen Valley High School
Alternative School
(Math: 11-19% | Reading: 40-49%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 8:1
Grades: 9-12
1450 Chapel Hills Drive
Colorado Springs, CO 80920
(719) 234-6000
Colorado Springs, CO 80920
(719) 234-6000
Show 100 more public schools in CO (out of 494 total schools)
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Frequently Asked Questions
What is the Colorado average public high schools student-teacher ratio?
The Colorado average public high schools student-teacher ratio is 18:1 for 2026.
What are the public high schools with the lowest student-teacher ratio in Colorado?
The best top-ranked public high schools in Colorado include Connections Learning Center On The Earle Johnson Campus, Education Reenvisioned School and Gilliam Youth Services Center.
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