The Goddard School Photo

Best Longmont Private Schools (2026)

For the 2026 school year, there are 15 private schools serving 1,392 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 Transitional School and St. John The Baptist Catholic School.
The average acceptance rate is 90%, which is higher than the Colorado private school average acceptance rate of 84%.
47% of private schools in Longmont, CO are religiously affiliated (most commonly Christian and Catholic).

Top-Ranked Longmont Private Schools (2026)

School
Location
Quick Facts
St. John The Baptist Catholic School
(Catholic)
(4)
350 Emery St
Longmont, CO 80501
(303) 776-8760
Gr: K-8 | 251 students
Transitional School
Alternative School (Church of Christ)
14780 N 107th St
Longmont, CO 80504
(303) 776-6841
Gr: 6-11 | 9 students
Boulder Sudbury School
Special Program Emphasis
3800 Plateau Rd
Longmont, CO 80503
(720) 943-0918
Gr: Inquire with school | 25 students
Boulder Valley Waldorf School
Boulder Valley Waldorf School Photo - Students enjoying the playground during free play time.
Special Program Emphasis
(9)
6500 West Dry Creek Parkway
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 2025 graduates
Alternative School (Christian)
833 15th Ave.
Longmont, CO 80501
(303) 709-9881
Gr: 6-12 | 50 students Extracurrculars: 1 Tuition listed
Gateway Montessori School
Montessori School
1500 9th Ave
Longmont, CO 80501
(303) 772-3864
Gr: NS-K | 65 students Avg. class size: 24 students Tuition listed
The Goddard School
The Goddard School Photo
Daycare / Preschool
1095 Olympia Avenue
Longmont, CO 80504
(303) 772-3501
Gr: PK-K | 162 students
Hillside School
Special Education School
6620 Gunpark Rd
Longmont, CO 80301
(303) 494-1468
Gr: 2-12 | 57 students Avg. class size: 4 students Tuition listed
Hopewell Baptist Academy
(Baptist)
1146 Kimbark St
Longmont, CO 80504
(303) 651-1325
Gr: K-11 | 12 students
Longmont Christian School
Longmont Christian School Photo
(Christian)
(1)
1440 Collyer St
Longmont, CO 80501
(303) 776-3254
Gr: PK-12 | 129 students Extracurrculars: 3 Tuition listed
Longmont KinderCare
Longmont KinderCare Photo - Longmont KinderCare
Daycare / Preschool
851 Crisman Dr.
Longmont, CO 80501
(303) 651-1008
Gr: NS-PK | 94 students
Messiah Lutheran School
(Lutheran Church Missouri Synod)
1335 Francis St
Longmont, CO 80501
(303) 776-3466
Gr: PK-5 | 58 students Extracurrculars: 9
Primrose School Of Longmont
Alternative School
1335 Dry Creek Dr
Longmont, CO 80503
(303) 774-1919
Gr: 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.
(Christian)
9447 Niwot Rd
Longmont, CO 80503
(303) 652-9162
Gr: PK-8 | 114 students Avg. class size: 16 students Extracurrculars: 2 Tuition & acceptance rate listed
Sierra School Of Main Street
Special Education School
820 Main St
Longmont, CO 80501
(303) 678-5662
Gr: 1-12 | 40 students
[+] Show Closed Private Schools in Longmont, Colorado

Longmont, Colorado Private Schools (Closed)

School
Location
Quick Facts
919 Deerwood Drive
Longmont, CO 80504
(303) 772-1008
Gr: NS-PK
1011 Dry Creek Dr
Longmont, CO 80503
(303) 682-0102
Gr: NS-K
1941 Terry St
Longmont, CO 80501
(303) 651-3780
Gr: K | 3 students
8979 Nelson Rd.
Longmont, CO 80503
(303) 678-9335
Gr: 6-12 | 18 students Avg. class size: 10 students Tuition & acceptance rate listed
833 15th Ave
Longmont, CO 80501
(303) 776-5677
Gr: 1-12 | 129 students
Our Saviors Lutheran School (Closed 2012)
(Wisconsin Evangelical Lutheran Synod)
1219 W 17th Avenue
Longmont, CO 80501
(303) 776-1688
Gr: NS-1 | 11 students Avg. class size: 3 students Tuition listed

Overview

This Town (Longmont)
This State (CO)
# Schools
15 Schools

Student Body:

# Students
1,392 Students
72,824 Students
% Average Students of Color
20%
25%

Academics and Faculty:

# Teachers
166 Teachers
6,373 Teachers
Average Student-Teacher Ratio
8:1
11:1
% Average Faculty w/Advanced Degree
19%
56%
Average Class Size
14 students
15 students
Average SAT score
1050
(Out of 1600)
1245

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$10,288
$14,541
Average % on Financial Aid
30%
29%
Average Financial Aid Grant
$775
$6,121
Average Acceptance Rate
90%
84%

Students by Ethnicity:

0.59
0.63
# American Indian Students
2 Students
418 Students
% American Indian Students
n/a
1%
# Asian Students
22 Students
1,638 Students
% Asian Students
2%
2%
# Hispanic Students
94 Students
6,130 Students
% Hispanic Students
7%
9%
# Black Students
18 Students
1,931 Students
% Black Students
1%
3%
# White Students
656 Students
33,986 Students
% White Students
45%
48%
# Hawaiian Students
n/a
67 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
659 Students
26,521 Students
% of Others Students
45%
37%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
4 extracurriculars
7 extracurriculars
Average Number of Sports
1 sports
6 sports

Frequently Asked Questions

What are the top-ranked private schools in Longmont, CO?
The top-ranked private schools in Longmont, CO include Transitional School and St. John The Baptist Catholic 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?
47% of private schools in Longmont are religiously affiliated (most commonly Christian and Catholic).
Which private schools in Longmont are often viewed compared to one another?

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