For the 2025-26 school year, there are 16 private high schools belonging to Other school association(s) serving 2,569 students in Colorado. You can also find more schools membership associations in Colorado.
The top ranked private high schools belonging to Other school association(s) in Colorado include Colorado Academy, Bishop Machebeuf High School, and Brighton Adventist Academy.
The average tuition cost is $20,922, which is higher than the Colorado private high school average tuition cost of $16,544.
Top Ranked Private High Schools Belonging to Other school association(s) in Colorado (2025-26)
School
Location
Quick Facts
3800 S Pierce St
Denver, CO 80235
(303) 914-2513
Denver, CO 80235
(303) 914-2513
Gr: PK-12 | 1,047 student Sports: 19 | Extracurrculars: 23 Tuition listed
458 Uinta Way
Denver, CO 80230
(303) 344-0082
Denver, CO 80230
(303) 344-0082
Gr: 9-12 | 200 students Avg. class size: 20 students Sports: 11 Tuition & acceptance rate listed
Brighton Adventist Academy![Brighton Adventist Academy Photo - BAA Sports League: Sports included are soccer, basketball and flag football. Brighton Adventist Academy Photo - BAA Sports League: Sports included are soccer, basketball and flag football.]()

(Seventh Day Adventist)
820 S 5th Ave
Brighton, CO 80601
(303) 659-1223
Brighton, CO 80601
(303) 659-1223
Gr: PK-10 | 56 students Avg. class size: 11 students Sports: 3 | Extracurrculars: 5 Tuition & acceptance rate 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
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
High Mountain Institute![High Mountain Institute Photo - Winter Ski trip in the Spring semester High Mountain Institute Photo - Winter Ski trip in the Spring semester]()

Special Program Emphasis
531 County Rd 5A
Leadville, CO 80461
(719) 486-8200
Leadville, CO 80461
(719) 486-8200
Gr: 11-12 | 40 students Avg. class size: 10 students Sports: 4 Tuition & acceptance rate listed
96 Arapahoe Ave.
Boulder, CO 80302
(303) 443-9933
Boulder, CO 80302
(303) 443-9933
Gr: 9-12 | 24 students Avg. class size: 8 students Sports: 1 | Extracurrculars: 8 Tuition listed
4501 Parfet St
Wheat Ridge, CO 80033
(303) 271-0525
Wheat Ridge, CO 80033
(303) 271-0525
Gr: K-12 | 35 students Tuition listed
Bansbach Academy At Denver Childrens Home
Alternative School
1501 Albion St
Denver, CO 80220
(303) 399-4890
Denver, CO 80220
(303) 399-4890
Gr: 5-12 | 49 students
Crossroads School![Crossroads School Photo - Crossroads 2022-2023 Graduates Crossroads School Photo - Crossroads 2022-2023 Graduates]()

Alternative School (Christian)
833 15th Ave.
Longmont, CO 80501
(303) 709-9881
Longmont, CO 80501
(303) 709-9881
Gr: 6-12 | 50 students Extracurrculars: 1 Tuition listed
Denver Academy Of Torah
(Jewish)
6825 E Alameda Ave
Denver, CO 80224
(720) 859-6806
Denver, CO 80224
(720) 859-6806
Gr: K-12 | 186 students Sports: 2 | Extracurrculars: 5 Tuition listed
Denver Street School-east Campus
(Christian)
1585 Kingston St
Aurora, CO 80010
(720) 935-2154
Aurora, CO 80010
(720) 935-2154
Gr: 9-12 | 28 students
Japanese School Of Denver
Special Program Emphasis
Po Box 630044
Littleton, CO 80163
(303) 949-3381
Littleton, CO 80163
(303) 949-3381
Gr: PK-9 | 123 students Tuition listed
Our Lady Help Of Christians Academy
(Catholic)
32100 E Colfax Service Rd
Watkins, CO 80137
(303) 344-5830
Watkins, CO 80137
(303) 344-5830
Gr: K-12 | 111 students Avg. class size: 9 students Sports: 3 | Extracurrculars: 2 Tuition listed
Rock Solid Christian Academy
Special Program Emphasis (Christian)
200 S University Blvd
Denver, CO 80209
(303) 797-1005
Denver, CO 80209
(303) 797-1005
Gr: K-12 | 84 students Tuition listed
Spring Creek Adventist School
(Seventh Day Adventist)
14488 6175 Rd
Montrose, CO 81403
(970) 249-5500
Montrose, CO 81403
(970) 249-5500
Gr: 3-9 | 22 students
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