For the 2025 school year, there are 21 private schools serving 2,112 students in Boulder, CO (there are 31 public schools, serving 12,956 public students). 14% of all K-12 students in Boulder, CO are educated in private schools (compared to the CO state average of 8%).
The top ranked private schools in Boulder, CO include Boulder Country Day, Bixby School, and Friends School.
The average tuition cost is $25,412, which is higher than the Colorado private school average tuition cost of $14,665.
Top Ranked Boulder Private Schools (2025)
School
Location
Quick Facts
4820 Nautilus Ct N
Boulder, CO 80301
(303) 527-4931
Boulder, CO 80301
(303) 527-4931
Gr: NS-8 | 293 students Avg. class size: 16 students Sports: 5 | Extracurrculars: 7 Tuition listed
4760 Table Mesa Drive
Boulder, CO 80305
(303) 494-7508
Boulder, CO 80305
(303) 494-7508
Gr: NS-5 | 127 students Avg. class size: 10 students Sports: 1 Tuition & acceptance rate listed
Friends School
Alternative School
5465 Pennsylvania Ave
Boulder, CO 80303
(303) 499-1999
Boulder, CO 80303
(303) 499-1999
Gr: PK-8 | 161 students Avg. class size: 16 students
6717 S. Boulder Road
Boulder, CO 80303
(303) 554-2011
Boulder, CO 80303
(303) 554-2011
Gr: K-8 | 164 students Avg. class size: 18 students Sports: 1 Tuition & acceptance rate listed
Mt. Zion Lutheran Preschool![Mt. Zion Lutheran Preschool Photo - Mt. Zion Students Mt. Zion Lutheran Preschool Photo - Mt. Zion Students]()

Daycare / Preschool (Lutheran Church Missouri Synod)
1680 Balsam Avenue
Boulder, CO 80304
(303) 746-3734
Boulder, CO 80304
(303) 746-3734
Gr: NS-PK | 37 students Avg. class size: 8 students Tuition & acceptance rate listed
1317 Mapleton Avenue
Boulder, CO 80304
(303) 447-2362
Boulder, CO 80304
(303) 447-2362
Gr: K-8 | 178 students Avg. class size: 15 students Sports: 6 | Extracurrculars: 12 Tuition listed
96 Arapahoe Ave.
Boulder, CO 80302
(303) 443-9933
Boulder, CO 80302
(303) 443-9933
Gr: 9-12 | 24 students Avg. class size: 8 students Sports: 1 | Extracurrculars: 8 Tuition listed
999 Violet Avenue
Boulder, CO 80304
(303) 444-7697
Boulder, CO 80304
(303) 444-7697
Gr: PK-12 | 200 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 6 Tuition & acceptance rate listed
Tara Performing Arts High School![Tara Performing Arts High School Photo - Ninth grade: History through Art in New York 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
Boulder, CO 80304
(303) 410-4510
Gr: 9-12 | 55 students Tuition & acceptance rate listed
Boulder Montessori School
Montessori School
3300 Redstone Road
Boulder, CO 80305
(303) 494-5814
Boulder, CO 80305
(303) 494-5814
Gr: NS-PK | 105 students
4072 19th Street
Boulder, CO 80304
(303) 541-0671
Boulder, CO 80304
(303) 541-0671
Gr: NS-K | 68 students Avg. class size: 15 students Tuition & acceptance rate listed
Jarrow Montessori School
Montessori School
3900 Orange Ct
Boulder, CO 80304
(303) 443-0511
Boulder, CO 80304
(303) 443-0511
Gr: PK-6 | 183 students Avg. class size: 20 students Extracurrculars: 5 Tuition listed
Jay & Rose Phillips Early Childhood Center
Daycare / Preschool (Jewish)
6007 Oreg Ave
Boulder, CO 80303
(720) 749-2500
Boulder, CO 80303
(720) 749-2500
Gr: PK-K | 170 students
Joshua School-boulder
Special Education School
7077 Harvest Rd
Boulder, CO 80301
(303) 974-7732
Boulder, CO 80301
(303) 974-7732
Gr: 4-12 | 18 students
KinderCare Learning Center at UCAR
Daycare / Preschool
3050 34th St
Boulder, CO 80301
(303) 443-5595
Boulder, CO 80301
(303) 443-5595
Gr: NS-PK
Make A Mess And Make Believe
Daycare / Preschool
1919 Yarmouth Ave
Boulder, CO 80304
(303) 443-8909
Boulder, CO 80304
(303) 443-8909
Gr: PK-K | 45 students Tuition listed
Mapleton Montessori School
Montessori School
3121 29th St
Boulder, CO 80301
(303) 449-4499
Boulder, CO 80301
(303) 449-4499
Gr: PK-K | 60 students Avg. class size: 20 students Tuition listed
Mountain Shadows International Montessori![Mountain Shadows International Montessori Photo Mountain Shadows International Montessori Photo]()

Montessori School
4154 63rd St
Boulder, CO 80301
(303) 530-5353
Boulder, CO 80301
(303) 530-5353
Gr: PK-6 | 51 students Avg. class size: 15 students Extracurrculars: 3 Tuition & acceptance rate listed
Patience Montessori School
Montessori School
3600 Hazelwood Ct
Boulder, CO 80304
(303) 449-5214
Boulder, CO 80304
(303) 449-5214
Gr: PK-K | 53 students Tuition listed
3131 Indian Road
Boulder, CO 80301
(303) 554-7363
Boulder, CO 80301
(303) 554-7363
Gr: 6-12 | 17 students Avg. class size: 6 students Tuition & acceptance rate listed
5405 Spine Rd
Boulder, CO 80301
(303) 440-7520
Boulder, CO 80301
(303) 440-7520
Gr: 6-12 | 102 students Sports: 4 | Extracurrculars: 6 Tuition listed
Boulder, Colorado Private Schools (Closed)
School
Location
Quick Facts
Blue Sky Kindergarten (Closed 2013)
Daycare / Preschool
3046 11th St
Boulder, CO 80304
(303) 443-4965
Boulder, CO 80304
(303) 443-4965
Gr: PK-K | 34 students
Countryside Montessori School (Closed 2022)
Montessori School
5524 Baseline Rd
Boulder, CO 80303
(303) 494-3100
Boulder, CO 80303
(303) 494-3100
Gr: PK-K | 33 students Acceptance rate listed
Frequently Asked Questions
What are the top ranked private schools in Boulder, CO?
The top ranked private schools in Boulder, CO include Boulder Country Day, Bixby School, and Friends School.
How many private schools are located in Boulder?
21 private schools are located in Boulder.
How much do private schools cost in Boulder?
The average tuition cost is $25,412, which is higher than the Colorado private school average tuition cost of $14,665.
How diverse are private schools in Boulder?
Boulder private schools are approximately 25% minority students, which is same as the Colorado private school average of 25%.
What percentage of students in Boulder go to private school?
14% of all K-12 students in Boulder are educated in private schools (compared to the CO state average of 8%).
What percentage of private schools are religiously affiliated in Boulder?
Which private schools in Boulder are often viewed compared to one another?
Popular comparisons of private schools in Boulder include: Boulder Waldorf Kindergarten vs. Boulder Country Day, Bixby School vs. Boulder Country Day, Mapleton Montessori School vs. Jarrow Montessori School
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