Top National Association of Independent Schools (NAIS) Private Schools in Colorado

All Schools
(40)
All Schools
(40)
 
High Schools
(20)
High Schools
(20)
 
Elementary Schools
(29)
Elementary Schools
(29)
 
Preschools
(21)
Preschools
(21)
 
For the 2021 school year, there are 40 top private schools in Colorado belonging to the National Association of Independent Schools (NAIS), serving 13,276 students.
The National Association of Independent Schools, governed by a board of trustees and staffed by approximately 40 individuals, is a membership organization and the national voice of independent education. NAIS represents approximately 1,400 independent schools and associations in the United States, and affiliates with independent schools abroad as well. We offer a broad variety of services and products. The NAIS Principles of Good Practice for member schools define high standards and ethical behavior in key areas of independent school operations.You can also find more schools membership associations in Colorado.

Top National Association of Independent Schools (NAIS) Private Schools (2021)

  • School Location Grades Students
  • 5859 S University Blvd
    Littleton, CO 80121
    (303) 346-3500

    Grades: PK-8 | 418 students
  • 21 Broadmoor Ave
    Colorado Springs, CO 80906
    (719) 475-9747

    Grades: PK-12 | 362 students
  • St. Mary's Academy
    St. Mary's Academy Photo
    (Roman Catholic)
    4545 S University Blvd
    Englewood, CO 80113
    (303) 762-8300

    Grades: PK-12 | 688 students
  • 3000 Booth Falls Road
    Vail, CO 81657
    (970) 476-3850

    Grades: K-12 | 430 students
  • 85 Country Day Way
    Aspen, CO 81611
    (970) 925-1909

    Grades: PK-8 | 285 students
  • Beautiful Savior Lutheran School
    (Lutheran Church Missouri Synod)
    6995 W. 120th Avenue
    Broomfield, CO 80020
    (303) 469-2049

    Grades: PK-8 | 76 students
  • 4760 Table Mesa Drive
    Boulder, CO 80305
    (303) 494-7508

    Grades: PK-5 | 102 students
  • 4820 Nautilus Ct N
    Boulder, CO 80301
    (303) 527-4931

    Grades: NS-8 | 362 students
  • 3800 S Pierce St
    Denver, CO 80235
    (303) 914-2513

    Grades: PK-12 | 1,027 students
  • 500 Holden Way
    Carbondale, CO 81623
    (970) 963-2562

    Grades: 9-12 | 167 students
  • 1003 Tamarac Pkwy
    Woodland Park, CO 80863
    (719) 686-0706

    Grades: K-5 | 82 students
  • 10455 Dawson Drive
    Lafayette, CO 80026
    (303) 665-6679

    Grades: K-12 | 529 students
  • Denver Academy
    Denver Academy Photo - Elementary School
    Special Program Emphasis
    4400 E Iliff Avenue
    Denver, CO 80222
    (303) 777-5161

    Grades: 1-12 | 756 students
  • 2450 S Wabash St
    Denver, CO 80231
    (303) 369-0663

    Grades: NS-12 | 339 students
  • 2750 Notaiah Rd
    Estes Park, CO 80517
    (970) 586-0600

    Grades: Inquire with school | 48 students
  • 818 Oak St
    Steamboat Springs, CO 80487
    (970) 879-8081

    Grades: K-8 | 42 students
  • 1036 El Rancho Rd. c/o Evergreen Country Day
    Evergreen, CO 80439
    (303) 674-3400

    Grades: NS-8 | 188 students
  • Fountain Valley School Of Colorado
    Fountain Valley School Of Colorado Photo - Our Art Barn includes equipment and facilities for photography, studio art, metal-smithing and ceramics.
    Special Program Emphasis
    6155 Fountain Valley School Road
    Colorado Springs, CO 80911
    (719) 391-5251

    Grades: 9-12 | 239 students
  • 5465 Pennsylvania Ave
    Boulder, CO 80303
    (303) 499-1999

    Grades: NS-8 | 176 students
  • 55 Clermont St
    Denver, CO 80220
    (303) 399-8361

    Grades: NS-8 | 699 students
  • Havern School
    Havern School Photo - A beautiful fall day on the Havern campus
    Special Education School
    4000 South Wadsworth
    Littleton, CO 80123
    (303) 986-4587

    Grades: K-8 | 85 students
  • High Mountain Institute
    High Mountain Institute Photo - Math class at HMI
    Alternative School
    531 County Rd 5A
    Leadville, CO 80461
    (719) 486-8200

    Grades: 11-12 | 96 students
  • 4000 East Quincy Avenue
    Englewood, CO 80113
    (303) 770-7660

    Grades: 6-12 | 726 students
  • 415 E Abriendo Ave.
    Pueblo, CO 81004
    (719) 543-5271

    Grades: PK-8 | 108 students
  • 1467 Birch St
    Denver, CO 80220
    (303) 322-8324

    Grades: NS-K | 57 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 | 331 students
  • 3395 S Kipling Pkwy
    Denver, CO 80227
    (303) 716-7147

    Grades: K | 16 students
  • Regis Jesuit High School
    Regis Jesuit High School Photo
    (Roman Catholic)
    6400 S Lewiston Way
    Aurora, CO 80016
    (303) 269-8000

    Grades: 9-12 | 1,694 students
  • 1800 E Prospect Rd
    Fort Collins, CO 80525
    (970) 493-9052

    Grades: NS-5 | 132 students
  • 2701 S York Street
    Denver, CO 80210
    (303) 756-9481

    Grades: PK-8 | 432 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.
    (Roman Catholic)
    4545 South University Boulevard
    Englewood, CO 80113
    (303) 762-8300

    Grades: PK-12 | 676 students
  • 350 Quebec Street
    Denver, CO 80230
    (303) 360-0803

    Grades: K-8 | 458 students
  • 42605 County Road 36
    Steamboat Springs, CO 80487
    (970) 879-1350

    Grades: 9-12 | 62 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) 440-4510

    Grades: 9-12 | 60 students
  • Telluride Mountain School
    Telluride Mountain School Photo - Winter programs are designed around snow, winter ecology, avalanche education and include a full-season, on-mountain ski and snowboard Ski P.E. program that accommodates all skill levels, from the recreational skier/snowboarder to the aspiring competitor.
    Montessori School
    200 San Miguel River Dr
    Telluride, CO 81435
    (970) 728-1969

    Grades: PK-12 | 113 students
Recent Articles
Sending your child to a single-sex school is one of several options you have when it comes to private schools.
Each state sets its own teacher certification requirements. While many private schools do not require you to be certified, it is in your best interests to obtain certification. This article includes contact information for state education offices so you can begin the process.
Marketing the small private school can be done affordably and effectively. We suggest five easy steps to make that happen.