High Mountain Institute Photo - The Barnes Building, where all the campus fun is centered

Best Colorado Private High Schools Belonging to State or regional independent school association (2026)

For the 2026 school year, there are 5 private high schools belonging to State or regional independent school association serving 463 students in Colorado. You can also find more schools membership associations in Colorado.
The top-ranked private high school belonging to State or regional independent school association in Colorado is High Mountain Institute.
The average acceptance rate is 70%, which is lower than the Colorado private high school average acceptance rate of 83%.
20% of private high schools belonging to State or regional independent school association in Colorado are religiously affiliated (most commonly Jewish).

Top-Ranked Private High Schools Belonging to State or regional independent school association in Colorado (2026)

School
Location
Quick Facts
High Mountain Institute
High Mountain Institute Photo - Winter Ski trip in the Spring semester
Special Program Emphasis
531 County Rd 5A
Leadville, CO 80461
(719) 486-8200
Gr: 11-12 | 40 students Avg. class size: 10 students Sports: 4 Tuition & acceptance rate listed
Denver Academy Of Torah
(Jewish)
6825 E Alameda Ave
Denver, CO 80224
(720) 859-6806
Gr: K-12 | 186 students Sports: 2 | Extracurrculars: 5 Tuition listed
Steamboat Mountain School
Alternative School
(1)
818 Oak St
Steamboat Springs, CO 80487
(970) 879-1350
Gr: K-12 | 154 students Avg. class size: 13 students Tuition listed
Temple Grandin School
Temple Grandin School Photo - TGS Trades Classroom
Special Education School
(2)
3131 Indian Road
Boulder, CO 80301
(303) 554-7363
Gr: 6-12 | 17 students Avg. class size: 6 students Extracurrculars: 4 Tuition & acceptance rate listed
University Of Denver High School
Special Program Emphasis
2306 E. Evans Avenue
Denver, CO 80208
(303) 871-2636
Gr: 10-12 | 66 students

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