Colorado Academy Photo - Every day on campus, CA's lives the mission to create curious, kind, courageous, and adventurous learners and leaders. Our dedicated teachers offer an innovative and rigorous curriculum rooted in the liberal arts and sciences. We do it with innovation and creativity and by encouraging students to think outside the box. We want students to ask "why?" and "why not?".

Top 20 Best Colorado Private Schools Belonging to National Association of Independent Schools (NAIS) (2024-25)

For the 2024-25 school year, there are 40 private schools belonging to National Association of Independent Schools (NAIS) serving 12,816 students in Colorado. You can also find more schools membership associations in Colorado.
The top ranked private schools belonging to National Association of Independent Schools (NAIS) in Colorado include Kent Denver School, Colorado Academy, and Fountain Valley School of Colorado.
The average tuition cost is $27,118, which is higher than the Colorado private school average tuition cost of $13,374.
25% of private schools belonging to National Association of Independent Schools (NAIS) in Colorado are religiously affiliated (most commonly Christian and Episcopal).

Top Ranked Private Schools Belonging to National Association of Independent Schools (NAIS) in Colorado (2024-25)

School
Location
Grades
Students
Aspen Academy
Aspen Academy Photo - Aspen Academy is a place where community strength and service are a priority. Students -- and parents -- create lifelong friendships.
(3)
5859 S University Blvd
Littleton, CO 80121
(303) 346-3500
Grades: PK-8
| 400 students
Boulder Country Day
Boulder Country Day Photo - BCD is a proudly independent institution serving students 2 years old - 8th grade. In partnership with our outstanding faculty and committed families, we uphold the highest standard for our educational experience. Through small class sizes and innovative engagement in a supportive environment, students at BCD learn to explore their strengths and apply them to the world.
(9)
4820 Nautilus Ct N
Boulder, CO 80301
(303) 527-4931
Grades: NS-8
| 290 students
Colorado Academy
Colorado Academy Photo - Every day on campus, CA's lives the mission to create curious, kind, courageous, and adventurous learners and leaders. Our dedicated teachers offer an innovative and rigorous curriculum rooted in the liberal arts and sciences. We do it with innovation and creativity and by encouraging students to think outside the box. We want students to ask "why?" and "why not?".
3800 S Pierce St
Denver, CO 80235
(303) 914-2513
Grades: PK-12
| 1,034 students
Dawson School
Dawson School Photo - Dawson School sits on a beautiful 107-acre campus, serving families from Boulder, Longmont, Broomfield, Erie, Lafayette, Louisville, and the surrounding area
(13)
10455 Dawson Drive
Lafayette, CO 80026
(303) 665-6679
Grades: K-12
| 515 students
Denver Academy
Denver Academy Photo - Visual Arts
Special Education School
4400 E Iliff Avenue
Denver, CO 80222
(303) 777-5161
Grades: 2-12
| 450 students
Graland Country Day School
Graland Country Day School Photo - Graland makes learning fun! With hands-on activities that challenge students to innovate, collaborate, and persevere, Graland goes to great lengths to ensure learning is a joyful, curiosity-driven adventure.
(3)
55 Clermont St
Denver, CO 80220
(303) 399-8361
Grades: NS-8
| 701 students
Vail Mountain School
Vail Mountain School Photo
(7)
3000 Booth Falls Road
Vail, CO 81657
(970) 476-3850
Grades: K-12
| 418 students
St. Elizabeth's School
St. Elizabeth's School Photo - Our Campus
(Episcopal)
1800 N. Pontiac Street
Denver, CO 80220
(303) 322-4209
Grades: K-8
| 142 students
Aspen Country Day School
Aspen Country Day School Photo - Aspen Country Day School enjoys a beautiful forested campus on Castle Creek. Ponds and mountains provide an ideal natural environment for learning in the outdoors. The entire campus was redone and reopened in 2016 with state-of-the-art classroom buildings that inspire learning and foster creativity.
(1)
85 Country Day Way
Aspen, CO 81611
(970) 925-1909
Grades: PK-8
| 295 students
Bixby School
Bixby School Photo
Alternative School
(16)
4760 Table Mesa Drive
Boulder, CO 80305
(303) 494-7508
Grades: NS-5
| 127 students
500 Holden Way
Carbondale, CO 81623
(970) 963-2562
Grades: 9-12
| 163 students
The Colorado Springs School
The Colorado Springs School Photo - The Colorado Springs School is PreK-12 college-preparatory day and international school nestled in the heart of Broadmoor.
Alternative School
(1)
21 Broadmoor Ave
Colorado Springs, CO 80906
(719) 434-3500
Grades: PK-12
| 336 students
Denver Jewish Day School
Denver Jewish Day School Photo - 10th graders in the Negev desert region of Israel on their annual six week Hebrew and Israel immersion experience.
(Jewish)
(1)
2450 S Wabash St
Denver, CO 80231
(303) 369-0663
Grades: PK-12
| 323 students
1036 El Rancho Rd. c/o Evergreen Country Day
Evergreen, CO 80439
(303) 674-3400
Grades: NS-8
| 210 students
6155 Fountain Valley School Road
Colorado Springs, CO 80911
(719) 391-5251
Grades: 9-12
| 230 students
Havern School
Havern School Photo - Havern offers a warm and accepting environment that allows students to become confident self-advocates.
Special Education School
(4)
4000 South Wadsworth
Littleton, CO 80123
(303) 986-4587
Grades: K-8
| 95 students
High Mountain Institute
High Mountain Institute Photo - Math class at HMI
Special Program Emphasis
531 County Rd 5A
Leadville, CO 80461
(719) 486-8200
Grades: 11-12
| 98 students
Kent Denver School
Kent Denver School Photo
4000 East Quincy Avenue
Englewood, CO 80113
(303) 770-7660
Grades: 6-12
| 768 students
The Mcclelland School
The Mcclelland School Photo - The McClelland School's 3rd and 4th grade students participate in activities such as a "book tasting", where they are able to review new genres of books that they may not have read before and share them with their classmates.
(1)
415 E Abriendo Ave.
Pueblo, CO 81004
(719) 543-5271
Grades: PK-8
| 86 students
Montessori School Of Denver
Montessori School Of Denver Photo - Montessori School of Denver's Cinco de Mayo Celebration. MSD Students celebrate with song, dance, and a cultural festival.
Montessori School
1460 South Holly Street
Denver, CO 80222
(303) 756-9441
Grades: NS-8
| 356 students
Regis Jesuit High School
Regis Jesuit High School Photo
Special Program Emphasis (Catholic)
(1)
6380 S Lewiston Way
Aurora, CO 80016
(303) 269-8000
Grades: 9-12
| 1,682 students
1800 E Prospect Rd
Fort Collins, CO 80525
(970) 493-9052
Grades: PK-5
| 173 students
St. Anne's Episcopal School
St. Anne's Episcopal School Photo - St. Anne's sits on 7 acres in Denver, Colorado. In this photo is the heart of our campus, the amphitheater. Each Tuesday, we gather together as a preschool through grade eight community for assembly led by our eighth grade student leaders.
(Episcopal)
(1)
2701 S York Street
Denver, CO 80210
(303) 756-9481
Grades: NS-8
| 434 students
St. Mary's Academy
St. Mary's Academy Photo - St. Mary's Academy High School excels at preparing young women for leadership in a global society. Our goal is to empower our students through the development of analytical skills, confidence, and generosity to make a difference in the world around them.
(Catholic)
(6)
4545 South University Boulevard
Englewood, CO 80113
(303) 762-8300
Grades: NS-12
| 678 students
350 Quebec Street
Denver, CO 80230
(303) 261-1771
Grades: K-8
| 464 students
Valor Christian High School
Valor Christian High School Photo - Library
(Christian)
3775 Grace Blvd
Littleton, CO 80126
(303) 471-3000
Grades: 9-12
| 1,200 students
Beautiful Savior Lutheran School
(Other Lutheran)
6995 W. 120th Avenue
Broomfield, CO 80020
(303) 469-1785
Grades: K-6
| 40 students
Colorado Springs Christian School
(Christian)
1003 Tamarac Pkwy
Woodland Park, CO 80863
(719) 686-0706
Grades: K-5
| 82 students
Eagle Rock School & Pdc
Eagle Rock School & Pdc Photo - www.eaglerockschool.org
Alternative School
2750 Notaiah Rd
Estes Park, CO 80517
(970) 586-0600
Grades: Inquire with school
| 29 students
Friends School
Alternative School
5465 Pennsylvania Ave
Boulder, CO 80303
(303) 499-1999
Grades: PK-8
| 161 students
Mackintosh Academy Boulder
(1)
6717 S. Boulder Road
Boulder, CO 80303
(303) 554-2011
Grades: K-8
| 164 students
1467 Birch St
Denver, CO 80220
(303) 322-8324
Grades: NS-K
| 57 students
Primrose School Of Bear Creek
Daycare / Preschool
3395 S Kipling Pkwy
Denver, CO 80227
(303) 716-7147
Grades: NS-K
| 16 students
Steamboat Mountain School
Alternative School
(1)
818 Oak St
Steamboat Springs, CO 80487
(970) 879-1350
Grades: K-12
| 154 students
Tara Performing Arts High School
Tara Performing Arts High School Photo - Ninth grade: History through Art in New York
Special Program Emphasis
4180 19th St
Boulder, CO 80304
(303) 410-4510
Grades: 9-12
| 55 students
Show 5 more private schools in Colorado (out of 40 total schools)
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