Private School Review - Established 2003
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.
St. Mary's Academy

Best Colorado Private Elementary Schools Belonging to Association of Colorado Independent Schools (ACIS) (2025)

For the 2025 school year, there are 31 private elementary schools belonging to Association of Colorado Independent Schools (ACIS) serving 9,553 students in Colorado. You can also find more schools membership associations in Colorado.
The top ranked private elementary schools belonging to Association of Colorado Independent Schools (ACIS) in Colorado include Kent Denver School, Dawson School, and The Colorado Springs School.
The average tuition cost is $24,692, which is higher than the Colorado private elementary school average tuition cost of $12,989.
16% of private elementary schools belonging to Association of Colorado Independent Schools (ACIS) in Colorado are religiously affiliated (most commonly Catholic and Episcopal).

Top Ranked Private Elementary Schools Belonging to Association of Colorado Independent Schools (ACIS) in Colorado (2025)

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.
(9)
5859 S University Blvd
Littleton, CO 80121
(303) 346-3500
Grades: NS-8
| 580 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.
(10)
4820 Nautilus Ct N
Boulder, CO 80301
(303) 527-4931
Grades: NS-8
| 293 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: PK-8
| 701 students
Montessori Academy of Colorado
Montessori Academy of Colorado Photo - MAC`s Elementary School offers an unparalleled opportunity for children to thrive by combining a progressive Montessori pedagogy, a dynamic experiential program, strong academics, social-emotional support, and a robust enrichment program. The MAC Elementary experience empowers students to reach their own personal potential and develop the confidence and capabilities to positively impact their world.
Montessori School
(16)
2500 Curtis Street
Denver, CO 80205
(303) 623-2609
Grades: NS-8
| 287 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
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
Crested Butte Academy
(1)
P O Box 1180
Crested Butte, CO 81224
(970) 349-1805
Grades: 8-12
| 61 students
Denver Jewish Day School
Denver Jewish Day School Photo
(Jewish)
(2)
2450 S Wabash St
Denver, CO 80231
(303) 369-0663
Grades: PK-12
| 351 students
Denver Waldorf School
Denver Waldorf School Photo - The Denver Waldorf School
Special Program Emphasis
(6)
2100 S. Pennsylvania St.
Denver, CO 80210
(303) 777-0531
Grades: PK-12
| 377 students
Escuela De Guadalupe
Escuela De Guadalupe Photo - Escuela de Guadalupe is a private, dual-language, Catholic school of excellence for grades Preschool through 8th. We serve a diverse community of families from around the Denver metro area, with the goal of accepting all students who are committed to an excellent education, no matter their family's financial situation. We teach all classes in Spanish and English.
(Catholic)
(1)
660 Julian St.
Denver, CO 80204
(303) 964-8456
Grades: PK-8
| 216 students
Evergreen Country Day School
(7)
1036 El Rancho Rd. c/o Evergreen Country Day
Evergreen, CO 80439
(303) 674-3400
Grades: NS-8
| 210 students
Friends School
Alternative School
5465 Pennsylvania Ave
Boulder, CO 80303
(303) 499-1999
Grades: PK-8
| 161 students
Kent Denver School
Kent Denver School Photo
4000 East Quincy Avenue
Englewood, CO 80113
(303) 770-7660
Grades: 6-12
| 784 students
The Logan School for Creative Learning
The Logan School for Creative Learning Photo - The Logan School sits on a 13-acre campus with 3 buildings.
Special Program Emphasis
1005 Yosemite Street
Denver, CO 80230
(303) 340-2444
Grades: K-8
| 241 students
Mackintosh Academy Boulder
(2)
6717 S. Boulder Road
Boulder, CO 80303
(303) 554-2011
Grades: K-8
| 164 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
Rivendell School Of Northern Colorado
Rivendell School Of Northern Colorado Photo
(8)
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
Shining Mountain Waldorf School
Shining Mountain Waldorf School Photo - Movement
Special Program Emphasis
(17)
999 Violet Avenue
Boulder, CO 80304
(303) 444-7697
Grades: PK-12
| 200 students
Stanley British Primary School
Stanley British Primary School Photo
(4)
350 Quebec Street
Denver, CO 80230
(303) 360-0803
Grades: PK-8
| 464 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
Mackintosh Academy Littleton
Mackintosh Academy Littleton Photo - Mackintosh Academy - Where Bright Minds Belong!
Special Program Emphasis
(2)
7018 S Prince St
Littleton, CO 80120
(303) 794-6222
Grades: NS-8
| 84 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.
200 San Miguel River Dr
Telluride, CO 81435
(970) 728-1969
Grades: PK-12
| 120 students
Waldorf School On The Roaring Fork
Special Program Emphasis
16543 Old Highway 82
Carbondale, CO 81623
(970) 963-1960
Grades: PK-8
| 179 students
Watershed School
Watershed School Photo
Alternative School
(8)
5405 Spine Rd
Boulder, CO 80301
(303) 440-7520
Grades: 6-12
| 102 students

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