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Boulder Sudbury School

3800 Plateau Rd
Longmont, CO 80503

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Tel: (720) 943-0918

www.bouldersudbury.org

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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

School with Special Program Emphasis

Religious Affiliation

Nonsectarian

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).

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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)

Did You Know?

The average private school tuition in Longmont, CO is $11,250 for elementary schools (read more about average private school tuition across the country).