For the 2025-26 school year, there are 14 private high schools belonging to Association of Colorado Independent Schools (ACIS) serving 4,792 students in Colorado. You can also find more schools membership associations in Colorado.
The top ranked private high schools belonging to Association of Colorado Independent Schools (ACIS) in Colorado include Fountain Valley School of Colorado, Kent Denver School, and Dawson School.
The average tuition cost is $32,508, which is higher than the Colorado private high school average tuition cost of $16,544.
Top Ranked Private High Schools Belonging to Association of Colorado Independent Schools (ACIS) in Colorado (2025-26)
School
Location
Quick Facts
10455 Dawson Drive
Lafayette, CO 80026
(303) 665-6679
Lafayette, CO 80026
(303) 665-6679
Gr: K-12 | 515 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 7 Tuition listed
Denver Academy![Denver Academy Photo - Visual Arts]( "Denver Academy Photo - Visual Arts")
Special Education School
4400 E Iliff Avenue
Denver, CO 80222
(303) 777-5161
Denver, CO 80222
(303) 777-5161
Gr: 2-12 | 457 students Avg. class size: 12 students Sports: 11 | Extracurrculars: 11 Tuition listed
3000 Booth Falls Road
Vail, CO 81657
(970) 476-3850
Vail, CO 81657
(970) 476-3850
Gr: K-12 | 418 students Avg. class size: 15 students Sports: 11 Tuition listed
500 Holden Way
Carbondale, CO 81623
(970) 963-2562
Carbondale, CO 81623
(970) 963-2562
Gr: 9-12 | 163 students Avg. class size: 12 students Sports: 13 | Extracurrculars: 22 Tuition listed
21 Broadmoor Ave
Colorado Springs, CO 80906
(719) 434-3500
Colorado Springs, CO 80906
(719) 434-3500
Gr: PK-12 | 336 students Sports: 6 | Extracurrculars: 22 Tuition & acceptance rate listed
P O Box 1180
Crested Butte, CO 81224
(970) 349-1805
Crested Butte, CO 81224
(970) 349-1805
Gr: 8-12 | 61 students Avg. class size: 6 students Sports: 11 | Extracurrculars: 5 Tuition listed
2450 S Wabash St
Denver, CO 80231
(303) 369-0663
Denver, CO 80231
(303) 369-0663
Gr: PK-12 | 351 students Avg. class size: 16 students Sports: 9 | Extracurrculars: 9 Tuition listed
2100 S. Pennsylvania St.
Denver, CO 80210
(303) 777-0531
Denver, CO 80210
(303) 777-0531
Gr: PK-12 | 377 students Avg. class size: 25 students Sports: 4 Tuition & acceptance rate listed
6155 Fountain Valley School Road
Colorado Springs, CO 80911
(719) 391-5251
Colorado Springs, CO 80911
(719) 391-5251
Gr: 9-12 | 230 students Avg. class size: 10 students Sports: 17 | Extracurrculars: 25 Tuition & acceptance rate listed
4000 East Quincy Avenue
Englewood, CO 80113
(303) 770-7660
Englewood, CO 80113
(303) 770-7660
Gr: 6-12 | 784 students Avg. class size: 15 students Sports: 20 | Extracurrculars: 19 Tuition listed
4545 South University Boulevard
Englewood, CO 80113
(303) 762-8300
Englewood, CO 80113
(303) 762-8300
Gr: NS-12 | 678 students Avg. class size: 16 students Sports: 15 | Extracurrculars: 10 Tuition & acceptance rate listed
999 Violet Avenue
Boulder, CO 80304
(303) 444-7697
Boulder, CO 80304
(303) 444-7697
Gr: PK-12 | 200 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 6 Tuition & acceptance rate listed
200 San Miguel River Dr
Telluride, CO 81435
(970) 728-1969
Telluride, CO 81435
(970) 728-1969
Gr: PK-12 | 120 students Avg. class size: 8 students Sports: 4 Tuition listed
5405 Spine Rd
Boulder, CO 80301
(303) 440-7520
Boulder, CO 80301
(303) 440-7520
Gr: 6-12 | 102 students Sports: 4 | Extracurrculars: 6 Tuition listed
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