Boulder Sudbury School in Longmont, CO, serves 25 students in an undergraduate program within a rural community setting.
The school maintains a student–teacher ratio of 8:1, supported by 3 full–time teachers.
Boulder Sudbury School is a nonsectarian, coeducational institution with an emphasis on elementary or secondary special programs.
Approximately 26% of the student body identifies as students of color, reflecting local demographic diversity.
Tuition information aligns with Longmont's private school averages, with the community offering multiple nearby private education options.
Quick Facts (2026)
- School Type: School with Special Program Emphasis
- Grades: Inquire with school
- Enrollment: 25 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
School Overview
School Type
Religious Affiliation
Grades Offered
Grades Inquire with school
Student Body
Total Students
25 students
Student Body Type
Co-ed
% Students of Color
26%
State avg.: 25%
Academics and Faculty
Total Classroom Teachers
3 teachers
Student-Teacher Ratio
8:1
National avg.: 11:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
When is the application deadline for Boulder Sudbury School?
The application deadline for Boulder Sudbury School is rolling (applications are reviewed as they are received year-round).
Nearby Private Schools
The nearest high school to Boulder Sudbury School is Watershed School (5.1 miles away)
The nearest elementary school is Boulder Valley Waldorf School (5.1 miles away)
The nearest preschool is Make A Mess And Make Believe (4.9 miles away)
Show me:
School
Location
Miles
Quick Facts
Make A Mess And Make Believe
Daycare / Preschool
1919 Yarmouth Ave
Boulder, CO 80304
(303) 443-8909
Boulder, CO 80304
(303) 443-8909
4.9 miles
Gr: PK-K | 45 students Tuition listed
6500 West Dry Creek Parkway
Longmont, CO 80503
(303) 652-0130
Longmont, CO 80503
(303) 652-0130
5.1 miles
Gr: PK-8 | 144 students Avg. class size: 12 students Sports: 1 Tuition listed
5405 Spine Rd
Boulder, CO 80301
(303) 440-7520
Boulder, CO 80301
(303) 440-7520
5.1 miles
Gr: 6-12 | 102 students Sports: 4 | Extracurrculars: 6 Tuition listed
999 Violet Avenue
Boulder, CO 80304
(303) 444-7697
Boulder, CO 80304
(303) 444-7697
5.3 miles
Gr: PK-12 | 200 students Avg. class size: 20 students Sports: 4 | Extracurrculars: 6 Tuition & acceptance rate listed
Hillside School
Special Education School
6620 Gunpark Rd
Longmont, CO 80301
(303) 494-1468
Longmont, CO 80301
(303) 494-1468
5.4 miles
Gr: 2-12 | 57 students Avg. class size: 4 students Tuition listed
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