Average
#135 of 188 private schools in CO
Sierra School of Main Street
School · Longmont, CO
A private school in Longmont, CO serving grades 1st – 12th.
820 MAIN ST, Longmont, CO 80501
- 8:1 student-teacher ratio
Academics
PreliminaryWhat this rating measures
This rating reflects classroom size, instructional time, student diversity, community resources, and school characteristics. Private schools are ranked against other private schools in CO.
Data not available
View data sources
Score basis: Private school model
Data coverage: 80% of scoring components had data
Components scored: 4 of 5
Ranking pool: Private schools in CO
Test scores
Most recent published year. School vs. CO average.
Test score data not yet available for this school.
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Sierra School of Main Street sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 89Very Walkable
- Transit 40Some Transit
- Bike 63Bikeable
- City Safety: High3,112/100K
Powered by
FBI Uniform Crime Reporting · 2024 · city context (Longmont), not school-level safety or attendance eligibility. Source details
Source period: 2024. Freshness not available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$77,705
Median home value
$461,400
Median rent
$1,586/mo
College educated
38.6%
Homeownership
58%
Poverty rate
10.2%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 80501; this is area context, not an attendance boundary.
Programs & students
Student demographicsNCES Private School Universe Survey (PSS) (SY 2021–22)
Source: NCES Private School Universe Survey (PSS)
Compare nearby
Nearby same-level schools
4 from a 5-mile search
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Hopewell Baptist AcademyPrivate · tuition | Not rated | K–11 | 0.4 mi | 10 | Compare → |
| St. Vrain Launched Virtual AcademyEnrollment path unverified | 5.4 | K–12 | 0.6 mi | 329 | Compare → |
| Longmont Christian SchoolPrivate · tuition | 7.8private | PK–12 | 0.8 mi | 148 | Compare → |
| Twin Peaks Charter AcademyCharter · enrollment unverified | 6.7 | K–12 | 1.5 mi | 852 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Charter · enrollment unverified: Potential charter option; enrollment requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
Sierra School of Main Street is listed in Longmont, CO; verify the current enrollment path directly.
About Sierra School of Main Street
Sierra School of Main Street is a private school in Longmont, CO, serving approximately 40 students in grades 1st-12th with a 8:1 student-teacher ratio. It holds a MySchoolScout rating of 5.7 out of 10 and ranks #135 of 188 private schools in CO.
Frequently asked questions
Common questions about Sierra School of Main Street
What grades does Sierra School of Main Street serve?
Sierra School of Main Street serves students in grades 1st through 12th.
How many students attend Sierra School of Main Street?
Sierra School of Main Street has an enrollment of approximately 40 students.
What is the student-teacher ratio at Sierra School of Main Street?
The student-teacher ratio at Sierra School of Main Street is 8:1. A lower ratio generally means more individual attention per student. The national average is approximately 11:1 for private schools.
How does Sierra School of Main Street rank in CO?
Sierra School of Main Street ranks #135 of 188 private schools in CO.
What is Sierra School of Main Street's MySchoolScout rating?
Sierra School of Main Street has a current MySchoolScout rating of 5.7 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
Is Sierra School of Main Street a private school?
Yes, Sierra School of Main Street 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 Sierra School of Main Street a religious school?
No, Sierra School of Main Street is a nonsectarian (non-religious) private school.
School factsNCES Private School Universe Survey (PSS) (SY 2021–22)
- Grades
- 1st – 12th
- Enrollment
- 40
- Gender Split
- 88% M / 12% F
- Student-Teacher Ratio
- 8:1
- Teachers (FTE)
- 5
- Type
- private
- Coed Status
- coed
- Affiliation
- Nonsectarian
- School Day
- 6 hours
- Days Per Year
- 174 days
- Setting
- Small Suburb
- County
- Boulder County
- Phone
- (303) 678-5662
- Area population (ZIP 80501)
- 43,591
- Area average commute
- 25.3 min
- Area median age
- 38
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Private School Universe Survey (PSS) · SY 2021–22 · Low confidence
- Vintage not available. Do not use this measure alone.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 80501; this does not measure the attendance area.
Evidence periods: Rating mixed/unknown input periods; assessments vintage unavailable; directory SY 2021–22
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