For the 2025 school year, there are 15 private schools serving 1,372 students in Longmont, CO (there are 39 public schools, serving 22,159 public students). 6% of all K-12 students in Longmont, CO are educated in private schools (compared to the CO state average of 8%).
The top ranked private schools in Longmont, CO include St. John The Baptist Catholic School and Transitional School.
The average acceptance rate is 90%, which is higher than the Colorado private school average acceptance rate of 83%.
Top Ranked Longmont Private Schools (2025)
School
Location
Grades
Students
350 Emery St
Longmont, CO 80501
(303) 776-8760
Longmont, CO 80501
(303) 776-8760
Grades: K-8
| 251 students
Transitional School
Alternative School (Church of Christ)
14780 N 107th St
Longmont, CO 80504
(303) 776-6841
Longmont, CO 80504
(303) 776-6841
Grades: 6-11
| 9 students
Boulder Sudbury School
Special Program Emphasis
3800 Plateau Rd
Longmont, CO 80503
(720) 943-0918
Longmont, CO 80503
(720) 943-0918
Grades: Inquire with school
| 25 students
6500 West Dry Creek Parkway
Longmont, CO 80503
(303) 652-0130
Longmont, CO 80503
(303) 652-0130
Grades: PK-8
| 144 students
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
Grades: 6-12
| 50 students
Gateway Montessori School
Montessori School
1500 9th Ave
Longmont, CO 80501
(303) 772-3864
Longmont, CO 80501
(303) 772-3864
Grades: NS-K
| 65 students
The Goddard School![The Goddard School Photo]( "The Goddard School Photo")
Daycare / Preschool
1095 Olympia Avenue
Longmont, CO 80504
(303) 772-3501
Longmont, CO 80504
(303) 772-3501
Grades: PK-K
| 162 students
Hillside School
Special Education School
7415 Lookout Rd
Longmont, CO 80503
(303) 494-1468
Longmont, CO 80503
(303) 494-1468
Grades: 2-10
| 57 students
Hopewell Baptist Academy
(Baptist)
1146 Kimbark St
Longmont, CO 80504
(303) 651-1325
Longmont, CO 80504
(303) 651-1325
Grades: K-11
| 12 students
1440 Collyer St
Longmont, CO 80501
(303) 776-3254
Longmont, CO 80501
(303) 776-3254
Grades: PK-12
| 129 students
Longmont KinderCare![Longmont KinderCare Photo - Longmont KinderCare]( "Longmont KinderCare Photo - Longmont KinderCare")
Daycare / Preschool
851 Crisman Dr.
Longmont, CO 80501
(303) 651-1008
Longmont, CO 80501
(303) 651-1008
Grades: NS-PK
| 94 students
Messiah Lutheran School
(Lutheran Church Missouri Synod)
1335 Francis St
Longmont, CO 80501
(303) 776-3466
Longmont, CO 80501
(303) 776-3466
Grades: PK-5
| 58 students
Primrose School Of Longmont
Alternative School
1335 Dry Creek Dr
Longmont, CO 80503
(303) 774-1919
Longmont, CO 80503
(303) 774-1919
Grades: NS-K
| 182 students
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
Grades: PK-8
| 114 students
Sierra School Of Main Street
Special Education School
820 Main St
Longmont, CO 80501
(303) 678-5662
Longmont, CO 80501
(303) 678-5662
Grades: 1-12
| 40 students
Longmont, Colorado Private Schools (Closed)
School
Location
Grades
Students
Bright Horizons at East Longmont (Closed 2025)
Daycare / Preschool
919 Deerwood Drive
Longmont, CO 80504
(303) 772-1008
Longmont, CO 80504
(303) 772-1008
Grades: NS-PK
| n/a students
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
Grades: NS-K
| n/a students
The Cottage School - Terry (Closed 2023)
Montessori School
1941 Terry St
Longmont, CO 80501
(303) 651-3780
Longmont, CO 80501
(303) 651-3780
Grades: K
| 3 students
Desiderata School (Closed 2025)
Alternative School
8979 Nelson Rd.
Longmont, CO 80503
(303) 678-9335
Longmont, CO 80503
(303) 678-9335
Grades: 6-12
| 18 students
Faith Baptist School (Closed 2022)
(Baptist)
833 15th Ave
Longmont, CO 80501
(303) 776-5677
Longmont, CO 80501
(303) 776-5677
Grades: 1-12
| 129 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
Grades: NS-1
| 11 students
Frequently Asked Questions
What are the top ranked private schools in Longmont, CO?
The top ranked private schools in Longmont, CO include St. John The Baptist Catholic School and Transitional School.
How many private schools are located in Longmont?
15 private schools are located in Longmont.
How diverse are private schools in Longmont?
Longmont private schools are approximately 20% minority students, which is lower than the Colorado private school average of 25%.
What percentage of students in Longmont go to private school?
6% of all K-12 students in Longmont are educated in private schools (compared to the CO state average of 8%).
What percentage of private schools are religiously affiliated in Longmont?
Which private schools in Longmont are often viewed compared to one another?
Popular comparisons of private schools in Longmont include: Primrose School Of Longmont vs. Boulder Valley Waldorf School, Gateway Montessori School vs. Boulder Valley Waldorf School, Transitional School vs. Crossroads School
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