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.: 13:1
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).
School Reviews
Endorse Boulder Sudbury School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
Financial Aid 101 for Private School Families 2026
Guide to private school financial aid in 2026, with current costs, key planning timelines and practical steps parents need to maximize aid options.
Why Extracurricular Activities Matter in 2026
Discover why extracurricular activities remain essential in 2026, with updated research, costs, and admissions insights for parents and students.
How to Appeal for Financial Aid After Admission
Learn how to appeal for financial aid after admission to a private school, with expert steps, timelines, and 2026 updates for families.



