For the 2025-26 school year, there are 39 nonsectarian private high schools in Colorado. You can also find more religiously affiliated schools in Colorado.
The top ranked nonsectarian private high schools in Colorado include Colorado Academy, Fountain Valley School of Colorado, and Kent Denver School.
Top Ranked Nonsectarian Private High Schools 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
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
7701 E 1st Pl, Unit C
Denver, CO 80230
(303) 340-3647
Denver, CO 80230
(303) 340-3647
Gr: PK-9 | 671 students Avg. class size: 13 students Sports: 7 | Extracurrculars: 32 Tuition & acceptance rate 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
Brightmont Academy - Broomfield
Special Program Emphasis
549 Flatiron Blvd, Suite C
Broomfield, CO 80021
(720) 961-5091
Broomfield, CO 80021
(720) 961-5091
Gr: 1-12 Avg. class size: 1 student Tuition & acceptance rate listed
Fusion Academy Boulder County
Alternative School
168 Centennial Parkway, Suite 100
Louisville, CO 80027
(877) 673-8893
Louisville, CO 80027
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student Tuition listed
2700 S Zuni Street
Englewood, CO 80110
(303) 783-0137
Englewood, CO 80110
(303) 783-0137
Gr: 6-12 | 35 students Avg. class size: 5 students Extracurrculars: 4 Tuition & acceptance rate listed
858 W. Happy Canyon Rd. Ste. 170
Castle Rock, CO 80108
(720) 961-5073
Castle Rock, CO 80108
(720) 961-5073
Gr: 1-12 Avg. class size: 10 students 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
21 Broadmoor Ave
Colorado Springs, CO 80906
(719) 434-3500
Colorado Springs, CO 80906
(719) 434-3500
Gr: PK-12 | 336 students Avg. class size: 10 students Sports: 6 | Extracurrculars: 22 Tuition & acceptance rate listed
454 Academy Drive
Durango, CO 81301
(970) 247-5898
Durango, CO 81301
(970) 247-5898
Gr: 9-12 | 30 students Avg. class size: 6 students Sports: 10 | Extracurrculars: 3 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
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
Front Range Academy
Alternative School
1008 Depot Hill Road
Broomfield, CO 80020
(303) 469-0496
Broomfield, CO 80020
(303) 469-0496
Gr: 6-12 | 400 students
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
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
40 West Main Street
Frisco, CO 80443
(970) 368-5601
Frisco, CO 80443
(970) 368-5601
Gr: 6-12 | 91 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
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
2160 South Cook Street
Denver, CO 80210
(303) 758-2003
Denver, CO 80210
(303) 758-2003
Gr: 5-12 | 31 students Avg. class size: 8 students Tuition & acceptance rate 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
Griffith Centers For Children
Special Education School
17 Farragut Ave
Colorado Springs, CO 80909
(719) 636-2122
Colorado Springs, CO 80909
(719) 636-2122
Gr: 3-12 | 41 students
Hillside School
Special Education School
6620 Gunpark Rd
Longmont, CO 80301
(303) 494-1468
Longmont, CO 80301
(303) 494-1468
Gr: 2-12 | 57 students Avg. class size: 4 students Tuition listed
The Joshua School
Special Education School
2303 E Dartmouth Ave
Englewood, CO 80113
(303) 758-7171
Englewood, CO 80113
(303) 758-7171
Gr: K-12 | 45 students
Joshua School-boulder
Special Education School
7077 Harvest Rd
Boulder, CO 80301
(303) 974-7732
Boulder, CO 80301
(303) 974-7732
Gr: 4-12 | 18 students
Kishami Academy
Special Program Emphasis
2011 E Platte Ave
Colorado Springs, CO 80909
(661) 236-6116
Colorado Springs, CO 80909
(661) 236-6116
Gr: 4-9 | 4 students
Montessori Children's House Of Denver - Stapleton
Montessori School
2211 Xanthia Way
Denver, CO 80238
(303) 322-8324
Denver, CO 80238
(303) 322-8324
Gr: NS-9 | 152 students Avg. class size: 17 students
Shiloh Home Inc.
Alternative School
6400 W Coal Mine Ave
Littleton, CO 80123
(303) 932-9599
Littleton, CO 80123
(303) 932-9599
Gr: 1-12 | 79 students
Sierra School Of Main Street
Special Education School
820 Main St
Longmont, CO 80501
(303) 678-5662
Longmont, CO 80501
(303) 678-5662
Gr: 1-12 | 40 students
818 Oak St
Steamboat Springs, CO 80487
(970) 879-1350
Steamboat Springs, CO 80487
(970) 879-1350
Gr: K-12 | 154 students Avg. class size: 13 students Tuition 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
Show 4 more private schools in Colorado (out of 39 total schools)
Loading...
Recent Articles
Why Private School in 2025?
Learn the key benefits of private school in 2025, from academics to values. Expert insights for parents making the right choice.
2025 Guides to Private Schools for Parents
Discover the best 2025 private school guides, updated tuition, demographics, and expert advice for parents choosing private education.
So Many Choices: 2025 Private School Guide
Explore key factors in choosing a private school in 2025, from tuition to teaching styles. Get expert insights to guide your family’s decision.
