The average student-teacher ratio in Colorado public high schools is approximately 18:1 (2026).
Student-Teacher Ratio Range: 1:1
6:1
Avg. Student-Teacher Ratio: 4:1
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 - 21. - 2.
Warren Tech North
Vocational School
Student-Teacher Ratio: 1:1
Grades: 11-12
11325 Allendale Drive
Arvada, CO 80004
(303) 982-9360
Arvada, CO 80004
(303) 982-9360
Rank: #1 - 21. - 2.
Warren Technical
Vocational School
Student-Teacher Ratio: 1:1
Grades: 11-12
13300 West 2nd Place
Denver, CO 80228
(303) 982-8600
Denver, CO 80228
(303) 982-8600
Rank: #33.
Gilliam School
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 - 124. - 12.
Student-Teacher Ratio: 3:1
Grades: 9-12
151 Miller Ranch Road
Edwards, CO 81632
(970) 328-2930
Edwards, CO 81632
(970) 328-2930
Rank: #4 - 124. - 12.
Connections Learning Center On The Earle Johnson C
Alternative School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 3:1
Grades: 6-9
1200 Johnson Road
Golden, CO 80401
(303) 982-7004
Golden, CO 80401
(303) 982-7004
Rank: #4 - 124. - 12.
Student-Teacher Ratio: 3:1
Grades: 9-12
641 Valley Road
Gypsum, CO 81637
(970) 328-8960
Gypsum, CO 81637
(970) 328-8960
Rank: #4 - 124. - 12.
Student-Teacher Ratio: 3:1
Grades: K-12
430 Beacon Lite Road Suite 150
Monument, CO 80132
(719) 963-9824
Monument, CO 80132
(719) 963-9824
Rank: #4 - 124. - 12.
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 - 124. - 12.
Platte Valley Youth Services Center
Alternative School
Student-Teacher Ratio: 3:1
Grades: 5-12
2200 West O Street
Greeley, CO 80631
(970) 304-6220
Greeley, CO 80631
(970) 304-6220
Rank: #4 - 124. - 12.
Prep Academy
Alternative School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 3:1
Grades: 6-12
2727 Columbine Street
Denver, CO 80205
(720) 424-8451
Denver, CO 80205
(720) 424-8451
Rank: #4 - 124. - 12.
Student-Teacher Ratio: 3:1
Grades: 9-11
2900 Richard Allen Ct
Denver, CO 80205
(720) 423-7260
Denver, CO 80205
(720) 423-7260
Rank: #4 - 124. - 12.
St. Vrain Virtual High School
Alternative School
(Math: 40-59% | Reading: 60-79%)
Rank:
Rank:
9/
Top 20%10
Student-Teacher Ratio: 3:1
Grades: 9-12
1200 South Sunset Street
Longmont, CO 80501
(303) 591-8627
Longmont, CO 80501
(303) 591-8627
Rank: #13 - 1613. - 16.
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: #13 - 1613. - 16.
Mountview Youth Service Center
Alternative School
Student-Teacher Ratio: 4:1
Grades: 5-12
7862 West Mansfield Parkway
Denver, CO 80235
(303) 987-4575
Denver, CO 80235
(303) 987-4575
Rank: #13 - 1613. - 16.
Prairie Vista Youth Service Center
Alternative School
(Math: <50%)
Student-Teacher Ratio: 4:1
Grades: 4-12
192 Bromley Business Parkway
Brighton, CO 80603
(303) 659-4450
Brighton, CO 80603
(303) 659-4450
Rank: #13 - 1613. - 16.
Zebulon Pike
Alternative School
Student-Teacher Ratio: 4:1
Grades: 4-12
1427 West Rio Grande
Colorado Springs, CO 80906
(719) 390-2766
Colorado Springs, CO 80906
(719) 390-2766
Rank: #17 - 2817. - 28.
Agate Junior Senior High School
(Math: ≤20% | Reading: ≤20%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: 6-12
41032 2nd Avenue
Agate, CO 80101
(719) 764-2741
Agate, CO 80101
(719) 764-2741
Rank: #17 - 2817. - 28.
Arickaree Undivided High School
(Math: <50% | Reading: 21-39%)
Rank:
Rank:
6/
Top 50%10
Student-Teacher Ratio: 5:1
Grades: 6-12
12155 County Road Nn
Anton, CO 80801
(970) 383-2202
Anton, CO 80801
(970) 383-2202
Rank: #17 - 2817. - 28.
Ascend College Prep
(Math: 60-69% | Reading: ≥80%)
Rank:
Rank:
10/
Top 5%10
Student-Teacher Ratio: 5:1
Grades: 10-12
1650 Telstar Drive
Colorado Springs, CO 80920
(719) 368-6936
Colorado Springs, CO 80920
(719) 368-6936
Rank: #17 - 2817. - 28.
Aspen Valley Campus
Alternative School
(Math: 11-19% | Reading: 40-49%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 5:1
Grades: 8-12
1450 Chapel Hills Drive
Colorado Springs, CO 80920
(719) 234-6000
Colorado Springs, CO 80920
(719) 234-6000
Rank: #17 - 2817. - 28.
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: #17 - 2817. - 28.
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: #17 - 2817. - 28.
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: #17 - 2817. - 28.
Longview High School
Alternative School
(Math: <50%)
Student-Teacher Ratio: 5:1
Grades: 9-12
13301 West 2nd Place
Denver, CO 80228
(303) 982-8523
Denver, CO 80228
(303) 982-8523
Rank: #17 - 2817. - 28.
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: #17 - 2817. - 28.
Pawnee School Pk-12
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 5:1
Grades: PK-12
19 Chatoga
Grover, CO 80729
(970) 895-2222
Grover, CO 80729
(970) 895-2222
Rank: #17 - 2817. - 28.
Student-Teacher Ratio: 5:1
Grades: 9-12
533 Irving Street
Pritchett, CO 81064
(719) 523-4045
Pritchett, CO 81064
(719) 523-4045
Rank: #17 - 2817. - 28.
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: #29 - 3929. - 39.
Aguilar Junior-senior High School
(Math: ≤20% | Reading: 21-39%)
Rank:
Rank:
3/
Bottom 50%10
Student-Teacher Ratio: 6:1
Grades: 6-12
420 North Balsam
Aguilar, CO 81020
(719) 941-4188
Aguilar, CO 81020
(719) 941-4188
Rank: #29 - 3929. - 39.
Branson School
(Math: 11-19% | Reading: 40-49%)
Rank:
Rank:
4/
Bottom 50%10
Student-Teacher Ratio: 6:1
Grades: PK-12
101 Saddlerock Drive
Branson, CO 81027
(719) 946-5531
Branson, CO 81027
(719) 946-5531
Rank: #29 - 3929. - 39.
Chaffee County High School
Alternative School
(Reading: <50%)
Student-Teacher Ratio: 6:1
Grades: 7-12
613 East Main Street
Buena Vista, CO 81211
(719) 395-4064
Buena Vista, CO 81211
(719) 395-4064
Rank: #29 - 3929. - 39.
Edcsd
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 6:1
Grades: 9-12
373 Inverness Parkway Ste 207
Englewood, CO 80112
(303) 387-9600
Englewood, CO 80112
(303) 387-9600
Rank: #29 - 3929. - 39.
Edison Junior-senior High School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 6:1
Grades: 6-12
14550 Edison Road
Yoder, CO 80864
(719) 478-2125
Yoder, CO 80864
(719) 478-2125
Rank: #29 - 3929. - 39.
Gateway School
(Math: <50% | Reading: <50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 6:1
Grades: PK-12
42575 Highway 141
Gateway, CO 81522
(970) 254-7080
Gateway, CO 81522
(970) 254-7080
Rank: #29 - 3929. - 39.
Kit Carson Junior-senior High School
(Math: <50% | Reading: ≥50%)
Rank:
Rank:
8/
Top 30%10
Student-Teacher Ratio: 6:1
Grades: 6-12
102 5th Avenue
Kit Carson, CO 80825
(719) 962-3219
Kit Carson, CO 80825
(719) 962-3219
Show 100 more public schools in CO (out of 528 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 Warren Tech North, Warren Technical and Gilliam School.
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