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Best Colorado Private Preschools Belonging to National Association of Independent Schools (NAIS) (2026)

For the 2026 school year, there are 19 private preschools belonging to National Association of Independent Schools (NAIS) serving 6,296 students in Colorado. You can also find more schools membership associations in Colorado.

The top-ranked private preschools belonging to National Association of Independent Schools (NAIS) in Colorado include Colorado Academy, St. Mary's Academy, and The Colorado Springs School.

The average tuition cost is $25,504, which is higher than the Colorado private preschool average tuition cost of $12,853.

16% of private preschools belonging to National Association of Independent Schools (NAIS) in Colorado are religiously affiliated (most commonly Jewish and Catholic).

Colorado Academy Photo - Welborn House is the home of the Office of Admission and Financial Aid at Colorado Academy. We invite you to inquire and learn more about our school and community. Click here to learn more: https://coloradoacademy.fsenrollment.com/users/sign_in.

Bixby School Photo

St. Mary's Academy Photo - For over 150 years, St. Mary's Academy has been enlightening students to explore the world and learn without limits. St. Mary's Academy's unique, rigorous, college preparatory curriculum is designed for students who are motivated to learn and grow in a Catholic, independent community.

Stanley British Primary School Photo

Rivendell School Of Northern Colorado Photo

St. Anne's Episcopal School Photo - Our Sunken Garden is the location we bid farewell to our 8th graders as they graduate from St. Anne's and begin their journey to high school.

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 Children's House Of Denver - Mayfair Photo

The Colorado Springs School Photo - CSS graduates are prepared to succeed in college and in life. The Class of 2026 (16 students) earned $4.4 million in Merit Scholarships and Awards, with 100% matriculating to colleges throughout the nation and around the world.

Denver Jewish Day School Photo

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.

Aspen Academy Photo - Our small classes are led by exceptional, award-winning faculty who provide a foundation of rich academics and a personalized approach to instruction.

Aspen Country Day School Photo - Ski days are a favorite tradition, when an entire class heads to the local ski mountains for a fun afternoon of making turns.

The Mcclelland School Photo - The McClelland School middle school students not only participate in gym, art, music, Spanish, finance, and study skills class. They also get to run fun events such as the 8th grade carnival to raise money for their spring trip.

Boulder Country Day Photo - Boulder Country Day School students engage in authentic learning activities as a part of their academic experience. BCD has a wealth of opportunities such as inspiring field trips that expand the learning experience and help students build the confidence they need to reach their highest potential.

Telluride Mountain School Photo - Through a traditional Montessori curriculum, children enjoy the magic of childhood with freedom to explore their innate curiosities in a safe and carefully prepared indoor and outdoor environment. Children are encouraged to be independent lifelong learners and problem-solvers.

St. Mary's Academy Photo - For over 150 years, St. Mary's Academy has been enlightening students to explore the world and learn without limits. St. Mary's Academy's unique, rigorous, college preparatory curriculum is designed for students who are motivated to learn and grow in a Catholic, independent community.

Rivendell School Of Northern Colorado Photo

St. Anne's Episcopal School Photo - Our Sunken Garden is the location we bid farewell to our 8th graders as they graduate from St. Anne's and begin their journey to high school.

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 Children's House Of Denver - Mayfair Photo

The Colorado Springs School Photo - CSS graduates are prepared to succeed in college and in life. The Class of 2026 (16 students) earned $4.4 million in Merit Scholarships and Awards, with 100% matriculating to colleges throughout the nation and around the world.

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.

Aspen Academy Photo - Our small classes are led by exceptional, award-winning faculty who provide a foundation of rich academics and a personalized approach to instruction.

Aspen Country Day School Photo - Ski days are a favorite tradition, when an entire class heads to the local ski mountains for a fun afternoon of making turns.

The Mcclelland School Photo - The McClelland School middle school students not only participate in gym, art, music, Spanish, finance, and study skills class. They also get to run fun events such as the 8th grade carnival to raise money for their spring trip.

Boulder Country Day Photo - Boulder Country Day School students engage in authentic learning activities as a part of their academic experience. BCD has a wealth of opportunities such as inspiring field trips that expand the learning experience and help students build the confidence they need to reach their highest potential.

Top-Ranked Private Preschools Belonging to National Association of Independent Schools (NAIS) in Colorado (2026)

School

Location

Quick Facts

Aspen Academy

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(9)

5859 S University Blvd
Littleton, CO 80121
(303) 346-3500

Gr: NS-8 | 580 students Avg. class size: 16 students Sports: 7 | Extracurrculars: 22 Tuition & acceptance rate listed

Boulder Country Day

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(13)

4820 Nautilus Ct N
Boulder, CO 80301
(303) 527-4931

Gr: NS-8 | 284 students Avg. class size: 16 students Sports: 4 | Extracurrculars: 7 Tuition listed

Colorado Academy

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3800 S Pierce St
Denver, CO 80235
(303) 914-2513

Gr: PK-12 | 1,043 students Sports: 19 | Extracurrculars: 24 Tuition listed

The Colorado Springs School

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(1)

21 Broadmoor Ave
Colorado Springs, CO 80906
(719) 434-3500

Gr: PK-12 | 214 students Avg. class size: 12 students Sports: 7 | Extracurrculars: 17 Tuition & acceptance rate listed

Graland Country Day School

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(7)

55 Clermont St
Denver, CO 80220
(303) 399-8361

Gr: PK-8 | 701 students Avg. class size: 18 students Sports: 11 | Extracurrculars: 39 Tuition listed

Aspen Country Day School

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(1)

85 Country Day Way
Aspen, CO 81611
(970) 925-1909

Gr: NS-8 | 295 students Avg. class size: 14 students Sports: 8 | Extracurrculars: 3 Tuition listed

Bixby School

Alternative School

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(23)

4760 Table Mesa Drive
Boulder, CO 80305
(303) 494-7508

Gr: PK-5 | 98 students Avg. class size: 8 students Sports: 1 | Extracurrculars: 4 Tuition & acceptance rate listed

Denver Jewish Day School

(Jewish)

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(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

Evergreen Country Day School

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(7)

1036 El Rancho Rd. c/o Evergreen Country Day
Evergreen, CO 80439
(303) 674-3400

Gr: NS-8 | 210 students Avg. class size: 14 students Sports: 11 | Extracurrculars: 5 Tuition & acceptance rate listed

The Mcclelland School

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(1)

415 E Abriendo Ave.
Pueblo, CO 81004
(719) 543-5271

Gr: PK-8 | 86 students Avg. class size: 10 students Extracurrculars: 3 Tuition listed

Montessori School Of Denver

Montessori School

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(1)

1460 South Holly Street
Denver, CO 80222
(303) 756-9441

Gr: NS-8 | 356 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 1 Tuition & acceptance rate listed

Rivendell School Of Northern Colorado

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(12)

1800 E Prospect Rd
Fort Collins, CO 80525
(970) 493-9052

Gr: PK-5 | 142 students Avg. class size: 20 students Extracurrculars: 3 Tuition & acceptance rate listed

St. Anne's Episcopal School

(Episcopal)

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(1)

2701 S York Street
Denver, CO 80210
(303) 756-9481

Gr: NS-8 | 449 students Avg. class size: 22 students Sports: 8 | Extracurrculars: 5 Tuition listed

St. Mary's Academy

(Catholic)

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(6)

4545 South University Boulevard
Englewood, CO 80113
(303) 762-8300

Gr: NS-12 | 678 students Avg. class size: 16 students Sports: 15 | Extracurrculars: 10 Tuition listed

Stanley British Primary School

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(5)

350 Quebec Street
Denver, CO 80230
(303) 360-0803

Gr: PK-8 | 464 students Avg. class size: 30 students Sports: 8 | Extracurrculars: 7 Tuition listed

Friends School

Alternative School

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5465 Pennsylvania Ave
Boulder, CO 80303
(303) 499-1999

Gr: PK-8 | 161 students Avg. class size: 16 students

Montessori Children's House Of Denver - Mayfair

Montessori School

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1467 Birch St
Denver, CO 80220
(303) 322-8324

Gr: NS-K | 57 students Tuition listed

Primrose School Of Bear Creek

Daycare / Preschool

Add to Compare

3395 S Kipling Pkwy
Denver, CO 80227
(303) 716-7147

Gr: NS-K | 16 students

Telluride Mountain School

Add to Compare

200 San Miguel River Dr
Telluride, CO 81435
(970) 728-1969

Gr: PK-8 | 102 students Avg. class size: 8 students Sports: 7 Tuition listed

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