For the 2025-26 school year, there are 24 private elementary schools serving 3,189 students in Boulder County, CO.
The top ranked private elementary schools in Boulder County, CO include Dawson School, Boulder Country Day, and Bixby School.
The average tuition cost is $19,997, which is higher than the Colorado private elementary school average tuition cost of $13,110.
Top Ranked Boulder County Private Elementary Schools (2025-26)
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
10455 Dawson Drive
Lafayette, CO 80026
(303) 665-6679
Lafayette, CO 80026
(303) 665-6679
Gr: K-12 | 515 students Avg. class size: 15 students Sports: 11 | Extracurrculars: 7 Tuition listed
Fusion Academy Boulder County
Alternative School
168 Centennial Parkway, Suite 100
Louisville, CO 80027
(877) 673-8893
Louisville, CO 80027
(877) 673-8893
Gr: 6-12 Avg. class size: 1 student 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
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
350 Emery St
Longmont, CO 80501
(303) 776-8760
Longmont, CO 80501
(303) 776-8760
Gr: K-8 | 251 students
925 Grant Ave
Louisville, CO 80027
(303) 666-6220
Louisville, CO 80027
(303) 666-6220
Gr: PK-8 | 132 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 16 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
Transitional School
Alternative School (Church of Christ)
14780 N 107th St
Longmont, CO 80504
(303) 776-6841
Longmont, CO 80504
(303) 776-6841
Gr: 6-11 | 9 students
3100 Ridge View Dr
Erie, CO 80516
(303) 828-4944
Erie, CO 80516
(303) 828-4944
Gr: PK-8 | 86 students Avg. class size: 15 students Sports: 4 | Extracurrculars: 1 Tuition listed
250 South Cherrywood Dr
Lafayette, CO 80026
(303) 665-6789
Lafayette, CO 80026
(303) 665-6789
Gr: K-6 | 85 students Avg. class size: 20 students Extracurrculars: 6
The Barred Academy![The Barred Academy Photo - Neurodivergent students thrive academically, socially, and emotionally at The Barred Academy! The Barred Academy Photo - Neurodivergent students thrive academically, socially, and emotionally at The Barred Academy!]()

Special Education School
818 W South Boulder Rd
Louisville, CO 80027
(303) 551-0118
Louisville, CO 80027
(303) 551-0118
Gr: 1-8 | 25 students Avg. class size: 8 students Tuition listed
6500 West Dry Creek Parkway
Longmont, CO 80503
(303) 652-0130
Longmont, CO 80503
(303) 652-0130
Gr: PK-8 | 144 students Avg. class size: 12 students Sports: 1 Tuition listed
Crossroads School![Crossroads School Photo - Crossroads 2022-2023 Graduates Crossroads School Photo - Crossroads 2022-2023 Graduates]()

Alternative School (Christian)
833 15th Ave.
Longmont, CO 80501
(303) 709-9881
Longmont, CO 80501
(303) 709-9881
Gr: 6-12 | 50 students Extracurrculars: 1 Tuition listed
Hillside School
Special Education School
6620 Gunpark Rd
Longmont, CO 80301
(303) 494-1468
Longmont, CO 80301
(303) 494-1468
Gr: 2-12 | 57 students Avg. class size: 4 students Tuition 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
1440 Collyer St
Longmont, CO 80501
(303) 776-3254
Longmont, CO 80501
(303) 776-3254
Gr: PK-12 | 129 students Extracurrculars: 3 Tuition listed
Messiah Lutheran School
(Lutheran Church Missouri Synod)
1335 Francis St
Longmont, CO 80501
(303) 776-3466
Longmont, CO 80501
(303) 776-3466
Gr: PK-5 | 58 students Extracurrculars: 9
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
Rocky Mountain Christian Academy![Rocky Mountain Christian Academy Photo - Rocky Mountain Christian Academy has a weekly chapel where students, faculty, and families come together to worship and hear a brief message from a member of our community. Rocky Mountain Christian Academy Photo - Rocky Mountain Christian Academy has a weekly chapel where students, faculty, and families come together to worship and hear a brief message from a member of our community.]()

(Christian)
9447 Niwot Rd
Longmont, CO 80503
(303) 652-9162
Longmont, CO 80503
(303) 652-9162
Gr: PK-8 | 114 students Avg. class size: 16 students Extracurrculars: 2 Tuition & acceptance rate 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 Extracurrculars: 4 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 County 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
Bright Horizons at Louisville (Closed 2025)
Daycare / Preschool
1818 Centennial Dr
Louisville, CO 80027
(303) 665-5511
Louisville, CO 80027
(303) 665-5511
Gr: NS-K Tuition & acceptance rate listed
Bright Horizons at West Longmont (Closed 2022)
Daycare / Preschool
1011 Dry Creek Dr
Longmont, CO 80503
(303) 682-0102
Longmont, CO 80503
(303) 682-0102
Gr: NS-K
The Cottage School - Terry (Closed 2023)
Montessori School
1941 Terry St
Longmont, CO 80501
(303) 651-3780
Longmont, CO 80501
(303) 651-3780
Gr: K | 3 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
Desiderata School (Closed 2025)
Alternative School
8979 Nelson Rd.
Longmont, CO 80503
(303) 678-9335
Longmont, CO 80503
(303) 678-9335
Gr: 6-12 | 18 students Avg. class size: 10 students Tuition & acceptance rate listed
Faith Baptist School (Closed 2022)
(Baptist)
833 15th Ave
Longmont, CO 80501
(303) 776-5677
Longmont, CO 80501
(303) 776-5677
Gr: 1-12 | 129 students
Lyons Community Montessori (Closed 2020)
Montessori School
419 Main St
Lyons, CO 80540
(303) 823-9629
Lyons, CO 80540
(303) 823-9629
Gr: NS | 38 students
Our Saviors Lutheran School (Closed 2012)
(Wisconsin Evangelical Lutheran Synod)
1219 W 17th Avenue
Longmont, CO 80501
(303) 776-1688
Longmont, CO 80501
(303) 776-1688
Gr: NS-1 | 11 students Avg. class size: 3 students Tuition listed
Frequently Asked Questions
What are the top ranked private elementary schools in Boulder County, CO?
The top ranked private elementary schools in Boulder County, CO include Dawson School, Boulder Country Day, and Bixby School.
How many private elementary schools are located in Boulderunty?
24 private elementary schools are located in Boulderunty.
How much do private elementary schools cost in Boulderunty?
The average tuition cost is $19,997, which is higher than the Colorado private school average tuition cost of $13,110.
How diverse are private elementary schools in Boulderunty?
Boulderunty private elementary schools are approximately 20% minority students, which is lower than the Colorado private school average of 24%.
What percentage of private elementary schools are religiously affiliated in Boulderunty?
Which private elementary schools in Boulderunty are often viewed compared to one another?
Popular comparisons of private elementary schools in Boulderunty include: Bixby School vs. Boulder Country Day
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