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High Mountain Institute Photo - Winter Ski trip in the Spring semester

Best Colorado ²ÝÁñÉçÇø High Schools Belonging to Other school association(s) (2025-26)

For the 2025-26 school year, there are 14 private high schools belonging to Other school association(s) serving 1,474 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 Brighton Adventist Academy, High Mountain Institute, and Colorado Rocky Mountain School.
The average tuition cost is $21,102, which is higher than the Colorado private high school average tuition cost of $16,723.
57% of private high schools belonging to Other school association(s) in Colorado are religiously affiliated (most commonly Catholic and Christian).

Top Ranked ²ÝÁñÉçÇø High Schools Belonging to Other school association(s) in Colorado (2025-26)

School
Location
Quick Facts
Bishop Machebeuf High School
(Catholic)
(1)
458 Uinta Way
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.
(Seventh Day Adventist)
820 S 5th Ave
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
Gr: 9-12 | 165 students Avg. class size: 12 students Sports: 10 | Extracurrculars: 36 Tuition listed
Denver Jewish Day School
Denver Jewish Day School Photo
(Jewish)
(2)
2450 S Wabash St
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
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
September School
September School Photo - Winter Trip in Estes Park
(1)
96 Arapahoe Ave.
Boulder, CO 80302
(303) 443-9933
Gr: 9-12 | 24 students Avg. class size: 8 students Sports: 1 | Extracurrculars: 8 Tuition listed
Alpine Valley School
Alpine Valley School Photo - Alpine Valley School's front exterior
Alternative School
(1)
4501 Parfet St
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
Gr: 5-12 | 49 students
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
Denver Street School-east Campus
(Christian)
1585 Kingston St
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
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
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
Gr: K-12 | 84 students Tuition listed
Spring Creek Adventist School
(Seventh Day Adventist)
14488 6175 Rd
Montrose, CO 81403
(970) 249-5500
Gr: 3-9 | 22 students

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