Limited Profile
Not enough data to generate a rating
Boulder Sudbury School
School
3800 PLATEAU RD, Longmont, CO 80503
Enrollment
25
Student-Teacher
8.3:1
Grades
UG – UG
Enrollment
25
Student-Teacher
8.3:1
Grades
UG – UG
Data vintage
2021-22
Data vintage2021-22
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Boulder Sudbury School
School in Longmont · grades UG – UG. Start here, then compare fit against nearby and district options.
Shining Mountain Waldorf School
5.3 mi away. Use as a geographic alternative in the same move search.
Crest View Elementary School
5.4 mi away. Use as a geographic alternative in the same move search.
About Boulder Sudbury School
Boulder Sudbury School is a private school in Longmont, CO. Boulder Sudbury School serves approximately 25 students, and covers grades UG-UG, and has a 8.3:1 student-teacher ratio. MySchoolScout does not publish a rating for this profile because there is not enough verified data to rate it fairly.
Based on limited data: 0% component coverage.
What Parents Should Know
At 25 students, Boulder Sudbury School is on the smaller side. That usually buys more individual attention and teachers who know every kid by name, with the trade-off of fewer electives and extracurriculars than a larger school can staff. Ask what activities it actually offers.
At 8.3:1 students to teachers, Boulder Sudbury School sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.
Boulder Sudbury School is private, so it runs independently of the local district and sets its own curriculum. That freedom cuts both ways depending on what you want for your child. If you're considering it, start with the practical questions: tuition, financial aid, and how admissions work.
Compare to Public Schools
BetaHow Boulder Sudbury School compares to 30 public schools serving similar grades in Longmont, CO
Student Demographics
Nearby Other Schools
| School | Rating |
|---|---|
| Boulder Sudbury School (this school) | — |
| Blue Mountain Elementary | 8.3 |
| Silver Creek High School | 7.6 |
| Altona Middle School | 7.3 |
| Eagle Crest Elementary School | 6.0 |
| Hygiene Elementary School | 8.8 |
| Westview Middle School | 7.0 |
| Longmont Estates Elementary School | 7.6 |
| Flagstaff Charter Academy | 7.5 |
| Sunset Middle School | 6.0 |
| New Meridian High School | 4.9 |
| St. Vrain Virtual High School | 8.5 |
| Indian Peaks Elementary School | 7.5 |
| Twin Peaks Charter Academy | 6.7 |
| Longmont High School | 6.8 |
| Burlington Elementary School | 4.9 |
| St. Vrain Community Montessori School | 6.1 |
| St. Vrain LaunchED Virtual Academy | 5.4 |
| Longs Peak Middle School | 5.2 |
| Central Elementary School | 8.6 |
| Mountain View Elementary School | 5.0 |
Showing 20 of 30 schools. View all schools in Longmont
Demographics sourced from NCES Private School Survey (PSS) and Common Core of Data (CCD). Comparisons are based on enrollment-weighted averages.
School Profile
Limited Data- Grades
- UG – UG
- Enrollment
- 25 students
- Type
- Private
- Student-Teacher Ratio
- 8.3:1
- Address
- 3800 PLATEAU RD, Longmont, CO 80503
- Phone
- (720) 943-0918
- Data Year
- SY 2021-22
Why doesn't this school have a score?
We don't have enough verified data to rate this school fairly. Private schools in CO aren't required to report standardized test scores to the state, which limits the data available for our rating model.
Our rating model requires at least 2 of 4 data components (academics, student progress, college readiness, and resources) to generate a meaningful score. Schools below this threshold receive a Limited Profile to avoid misleading ratings.
Test Scores
Test score data not yet available for this school.
Student Demographics NCES PSS (SY 2021-22)
Source: NCES Private School Survey (PSS)
Location
3800 PLATEAU RD, Longmont, CO 80503
Nearby Alternatives
Families considering Boulder Sudbury School may also want to explore other schools in the area. SHINING MOUNTAIN WALDORF SCHOOL (rated 6.9/10, 5.3 miles away, in nearby Boulder). Additionally, HILLSIDE SCHOOL (rated 6.8/10, 5.9 miles away). For more schools in Longmont, see our Longmont schools guide .
Nearby Schools
20 within 5.6 mi| School | Distance | Rating |
|---|---|---|
| SHINING MOUNTAIN WALDORF SCHOOL Boulder | 5.3 mi | 6.9 |
| Crest View Elementary School Boulder | 5.4 mi | 7.2 |
| TARA PERFORMING ARTS HIGH SCHOOL Boulder | 5.5 mi | 7.3 |
| Lyons Middle/Senior High School Lyons | 5.8 mi | 8.3 |
| Centennial Middle School Boulder | 5.9 mi | 7.7 |
| JARROW MONTESSORI SCHOOL Boulder | 5.9 mi | 6.1 |
| Boulder Prep Charter High School Boulder | 5.4 mi | 5.9 |
| BOULDER COUNTRY DAY SCHOOL Boulder | 5.6 mi | 7.0 |
| Blue Mountain Elementary Longmont | 4.9 mi | 8.3 |
| BOULDER VALLEY WALDORF SCHOOL Niwot | 5.1 mi | 6.2 |
| JOSHUA SCHOOL-BOULDER Boulder | 5.6 mi | — |
| Foothill Elementary School Boulder | 6.6 mi | 8.8 |
| Lyons Elementary School Lyons | 6.7 mi | 8.9 |
| Columbine Elementary School Boulder | 6.7 mi | 6.3 |
| Silver Creek High School Longmont | 5.3 mi | 7.6 |
| MOUNTAIN SHADOWS MONTESSORI SCHOOL Boulder | 6.4 mi | 6.4 |
| HILLSIDE SCHOOL Longmont | 5.9 mi | 6.8 |
| Altona Middle School Longmont | 5.5 mi | 7.3 |
| WATERSHED SCHOOL Boulder | 7.2 mi | 5.9 |
| Eagle Crest Elementary School Longmont | 5.6 mi | 6.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 80503 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$118,465
Median Home Value
$704,800
Median Rent
$1,843/mo
Population
36,206
College Educated
60.2%
Homeownership
68.5%
Avg Commute
25.1 min
Poverty Rate
5.1%
Median Age
43.9
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| CEDAR WOOD Aurora, CO | — |
| CHRISTIAN GROWTH ACADEMY Pueblo, CO | — |
| CHRISTIAN GROWTH ACADEMY Pueblo, CO | — |
| DEVEREUX CLEO WALLACE CENTER Westminster, CO | — |
| EAGLE ROCK SCHOOL & PDC Estes Park, CO | — |
| Gateway School Gateway, CO | — |
Frequently Asked Questions
Common questions about Boulder Sudbury School
What grades does Boulder Sudbury School serve?
Boulder Sudbury School serves students in grades UG through UG.
How many students attend Boulder Sudbury School?
Boulder Sudbury School has an enrollment of approximately 25 students.
What is the student-teacher ratio at Boulder Sudbury School?
The student-teacher ratio at Boulder Sudbury School is 8.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
Is Boulder Sudbury School a private school?
Yes, Boulder Sudbury School is a private coeducational school with a Nonsectarian affiliation. Private schools are not required to participate in state standardized testing, so academic performance data may be limited compared to public schools.
Is Boulder Sudbury School a religious school?
No, Boulder Sudbury School is a nonsectarian (non-religious) private school.
Explore More Schools
Quick Facts NCES PSS (SY 2021-22)
- Grades
- UG – UG
- Enrollment
- 25
- Gender Split
- 56% M / 44% F
- Student-Teacher Ratio
- 8.3:1
- Teachers (FTE)
- 3
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 8 hours
- Days Per Year
- 160 days
- Setting
- Fringe Rural
- County
- Boulder County
- Phone
- (720) 943-0918
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