Colorado Nonsectarian Private Schools

For the 2026-27 school year, there are 194 nonsectarian private schools in Colorado. You can also find more religiously affiliated schools in Colorado.
The top ranked nonsectarian private schools in Colorado include Fountain Valley School of Colorado, Dawson School, and The Colorado Springs School.

Quick Facts (26-27)

  • # Private Schools: 194

Quick Facts (26-27)

  • # Private Schools: 194

Top Ranked Nonsectarian Private Schools in Colorado (2026-27)

Aspen Academy Photo
Gr: NS-8 | 580 students
Avg. class size: 16 students
Sports: 7 | Extracurriculars: 22
5859 S University Blvd
Littleton, CO 80121
(303) 346-3500
(9)
Boulder Country Day Photo
Gr: NS-8 | 284 students
Avg. class size: 16 students
Sports: 5 | Extracurriculars: 7
4820 Nautilus Ct N
Boulder, CO 80301
(303) 527-4931
(13)
Brightmont Academy - Broomfield Photo
Gr: 1-12
Specialized Curriculum
549 Flatiron Blvd, Suite C
Broomfield, CO 80021
(720) 961-5091
Colorado Academy Photo
Gr: PK-12 | 1,043 students
Sports: 19 | Extracurriculars: 29
3800 S Pierce St
Denver, CO 80235
(303) 914-2513
The Colorado Springs School Photo
Gr: PK-12 | 214 students
Avg. class size: 12 students
Sports: 7 | Extracurriculars: 17
21 Broadmoor Ave
Colorado Springs, CO 80906
(719) 434-3500
(1)
Dawson School Photo
Gr: K-12 | 477 students
Avg. class size: 15 students
Sports: 11 | Extracurriculars: 7
10455 Dawson Drive
Lafayette, CO 80026
(303) 665-6679
(13)
Denver Academy Photo
Gr: 2-12 | 456 students
Avg. class size: 12 students
Sports: 11 | Extracurriculars: 11
Special Education School
4400 E Iliff Avenue
Denver, CO 80222
(303) 777-5161
Fountain Valley School of Colorado Photo
Gr: 8-12 | 220 students
Avg. class size: 10 students
Sports: 12 | Extracurriculars: 21
6155 Fountain Valley School Road
Colorado Springs, CO 80911
(719) 391-5251
Fusion Academy Boulder County Photo
Gr: 4-12
Avg. class size: 1 student
Alternative School
168 Centennial Parkway, Suite 100
Louisville, CO 80027
(877) 673-8893
Graland Country Day School Photo
Gr: PK-8 | 701 students
Avg. class size: 18 students
Sports: 11 | Extracurriculars: 40
55 Clermont St
Denver, CO 80220
(303) 399-8361
(7)
International School of Denver Photo
Gr: PK-9 | 684 students
Avg. class size: 13 students
Sports: 7 | Extracurriculars: 32
Specialized Curriculum
7701 E 1st Pl, Unit C
Denver, CO 80230
(303) 340-3647
(10)
Montessori Academy of Colorado Photo
Gr: NS-8 | 232 students
Avg. class size: 18 students
Sports: 1 | Extracurriculars: 5
Montessori School
2500 Curtis Street
Denver, CO 80205
(303) 623-2609
(16)
Vail Mountain School Photo
Gr: K-12 | 418 students
Avg. class size: 15 students
Sports: 15
3000 Booth Falls Road
Vail, CO 81657
(970) 476-3850
(7)
Humanex Academy Photo
Gr: 6-12 | 38 students
Avg. class size: 5 students
Extracurriculars: 4
Special Education School
2700 S Zuni Street
Englewood, CO 80110
(303) 783-0137
(2)
Mountain Montessori Photo
Gr: NS-K | 40 students
Montessori School
77 Metcalf Rd
Avon, CO 81620
(970) 390-3941
Aspen Country Day School Photo
Gr: NS-8 | 295 students
Avg. class size: 14 students
Sports: 8 | Extracurriculars: 3
85 Country Day Way
Aspen, CO 81611
(970) 925-1909
(1)
Aspen Park iMontessori Photo
Gr: NS-3 | 30 students
Avg. class size: 10 students
Extracurriculars: 1
Montessori School
25782 Vosler Street
Conifer, CO 80433
(303) 668-1532
Map of Bal Swan Children's Center
Gr: PK-1 | 190 students
Special Education School
1145 East 13th Ave
Broomfield, CO 80020
(303) 466-6308
Bixby School Photo
Gr: PK-5 | 98 students
Avg. class size: 8 students
Sports: 1 | Extracurriculars: 4
Alternative School
4760 Table Mesa Drive
Boulder, CO 80305
(303) 494-7508
(23)
Brightmont Academy - Castle Pines Photo
Gr: 1-12
Extracurriculars: 3
858 W. Happy Canyon Rd. Ste. 170
Castle Rock, CO 80108
(720) 961-5073
Colorado Rocky Mountain School Photo
Gr: 9-12 | 165 students
Avg. class size: 12 students
Sports: 10 | Extracurriculars: 36
500 Holden Way
Carbondale, CO 81623
(970) 963-2562
Map of Crested Butte Academy
Gr: 8-12 | 61 students
Avg. class size: 6 students
Sports: 11 | Extracurriculars: 5
P O Box 1180
Crested Butte, CO 81224
(970) 349-1805
(1)
Denver Waldorf School Photo
Gr: PK-12 | 377 students
Avg. class size: 25 students
Sports: 4
Specialized Curriculum
2100 S. Pennsylvania St.
Denver, CO 80210
(303) 777-0531
(7)
Early Connections Day Nursery Photo
Gr: NS-5 | 700 students
Avg. class size: 16 students
Daycare / Preschool
104 E Rio Grande Street
Colorado Springs, CO 80903
(719) 632-1754
Map of Evergreen Country Day School
Gr: NS-8 | 210 students
Avg. class size: 14 students
Sports: 11 | Extracurriculars: 5
1036 El Rancho Rd. c/o Evergreen Country Day
Evergreen, CO 80439
(303) 674-3400
(7)
Map of Griffith Centers For Children
Gr: 3-12 | 41 students
Special Education School
17 Farragut Ave
Colorado Springs, CO 80909
(719) 636-2122
High Mountain Institute Photo
Gr: 11-12 | 40 students
Avg. class size: 10 students
Sports: 4
Specialized Curriculum
531 County Rd 5A
Leadville, CO 80461
(719) 486-8200
Map of Hope Center
Gr: PK-K | 98 students
Specialized Curriculum
3400 Elizabeth St
Denver, CO 80205
(303) 388-4801
(1)
Map of Hope Montessori
Gr: PK-K | 545 students
Avg. class size: 12 students
Extracurriculars: 5
Montessori School
2041 Chuckwagon Road
Colorado Springs, CO 80919
(719) 388-8818
Iliff Preschool, Kdgn, And School-age Summ Photo
Gr: NS-K | 95 students
Avg. class size: 12 students
Daycare / Preschool
4140 E Iliff Ave
Denver, CO 80222
(303) 757-3551
(2)
Map of Jarrow Montessori School
Gr: PK-6 | 183 students
Avg. class size: 20 students
Extracurriculars: 5
Montessori School
3900 Orange Ct
Boulder, CO 80304
(303) 443-0511
Map of Junior Academy
Gr: NS-PK | 70 students
Specialized Curriculum
1311 N Nevada Ave
Colorado Springs, CO 80903
(719) 632-7681
Kent Denver School Photo
Gr: 6-12 | 784 students
Avg. class size: 15 students
Sports: 20 | Extracurriculars: 19
4000 East Quincy Avenue
Englewood, CO 80113
(303) 770-7660
Kindercare Learning Center Photo
Gr: PK-K | 90 students
Avg. class size: 10 students
Extracurriculars: 6
Daycare / Preschool
4200 E 128th Ave
Thornton, CO 80241
(303) 451-5210
Littleton Knowledge Beginnings Photo
Gr: NS-PK | 27 students
Daycare / Preschool
6000 W. Grant Ranch Blvd.
Littleton, CO 80123
(303) 730-2568
Show 100 more private schools in Colorado (out of 194 total schools)
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Frequently Asked Questions

What are the top ranked nonsectarian private schools in Colorado?
The top ranked nonsectarian private schools in Colorado include Fountain Valley School of Colorado, Dawson School, and The Colorado Springs School.
How many nonsectarian private schools are located in Colorado?
194 nonsectarian private schools are located in Colorado.

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