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#135 of 188 private schools in CO

Sierra School of Main Street

School

820 MAIN ST, Longmont, CO 80501

Private

Enrollment

40

Student-Teacher

8:1

Score

5.7

Grades

1st – 12th

Data vintage2021-22

How this school compares

Colorado private schools

#135 of 188

In Longmont

#4 of 4

public schools

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Sierra School of Main Street

5.7/10

School in Longmont · grades 1st – 12th. Start here, then compare fit against nearby and district options.

Hopewell Baptist Academy

Nearby

0.4 mi away. Use as a geographic alternative in the same move search.

Columbine Elementary School

6.6/10

0.4 mi away. Use as a geographic alternative in the same move search.

About Sierra School of Main Street

Sierra School of Main Street is a private school in Longmont, CO. Sierra School of Main Street serves approximately 40 students, and covers grades 1st-12th, and has a 8:1 student-teacher ratio. Sierra School of Main Street has a current MySchoolScout rating of 5.7 out of 10 and ranks #135 of 188 private schools in CO.

How it compares0.5 pts below CO schools
  • This school 5.7 · Average
  • CO avg 6.2

What Parents Should Know

At 40 students, Sierra School of Main Street 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 8:1 students to teachers, Sierra School of Main Street sits well below the national average. Smaller classes like that usually mean more one-on-one time between students and teachers.

Sierra School of Main Street 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

Beta

How Sierra School of Main Street compares to 30 public schools serving similar grades in Longmont, CO

Student-Teacher Ratio
8:1
This School
vs
15.1:1
Public Avg
Avg School Size
40
This School
vs
513
Public Avg
Avg School Scout Rating
5.7
This School
vs
6.5
Public Avg

Student Demographics

White 67.5% vs 0%
Hispanic 25% vs 0%
Asian 5% vs 0%
Black 2.5% vs 0%
Sierra School of Main Street Longmont Public Avg

Nearby Other Schools

School Rating
Sierra School of Main Street (this school) 5.7
Columbine Elementary School 6.6
Central Elementary School 8.6
St. Vrain LaunchED Virtual Academy 5.4
Timberline PK-8 7.2
Longmont High School 6.8
Mountain View Elementary School 5.0
Longs Peak Middle School 5.2
Skyline High School 5.8
Rocky Mountain Elementary School 4.1
St. Vrain Community Montessori School 6.1
Northridge Elementary School 5.2
Twin Peaks Charter Academy 6.7
Alpine Elementary School 3.8
Burlington Elementary School 4.9
Sanborn Elementary School 6.3
St. Vrain Virtual High School 8.5
New Meridian High School 4.9
Fall River Elementary School 7.8
Sunset Middle School 6.0
Indian Peaks Elementary School 7.5

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.

Score Breakdown

Preliminary

What 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.

Classroom Attention
? Student-teacher ratio calibrated against other private schools. Lower ratios mean more individual attention. (30% of overall score)
B+ 7.3 / 10
View breakdown
Student-Teacher Ratio 8:1
Instructional Commitment
? Total annual instructional hours based on school day length and days per year. (15% of overall score)
C- 2.0 / 10
View breakdown
School Day Length 6 hours
Annual Instructional Hours 1,044
Diversity & Inclusion
? Racial and ethnic diversity of the student body using Simpson's diversity index. (20% of overall score)
A- 8.2 / 10
View breakdown
Diversity Index 48%
Community Context

Data Unavailable

School Profile
? Enrollment size and grade span breadth — indicators of program depth and peer community. (15% of overall score)
C 2.7 / 10
View breakdown
Enrollment 40
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

Test score data not yet available for this school.

Student Demographics NCES PSS (SY 2021-22)

White 67.5%
Hispanic 25.0%
Asian 5.0%
Black 2.5%

Source: NCES Private School Survey (PSS)

Location

820 MAIN ST, Longmont, CO 80501

Nearby Alternatives

Families considering Sierra School of Main Street may also want to explore other schools in the area. LONGMONT CHRISTIAN SCHOOL (rated 7.8/10, 0.8 miles away), which scores notably higher. Another option is Twin Peaks Charter Academy (rated 6.7/10, 1.5 miles away), which scores slightly higher. Additionally, St. Vrain LaunchED Virtual Academy (rated 5.4/10, 0.6 miles away), with a very similar rating. For more schools in Longmont, see our Longmont schools guide .

Nearby Schools

20 within 1.9 mi
School Distance Rating
HOPEWELL BAPTIST ACADEMY Longmont 0.4 mi
Columbine Elementary School Longmont 0.4 mi 6.6
ST JOHN THE BAPTIST CATHOLIC SCHOOL Longmont 0.5 mi 7.3
Central Elementary School Longmont 0.6 mi 8.6
St. Vrain LaunchED Virtual Academy Longmont 0.6 mi 5.4
CROSSROADS SCHOOL Longmont 0.8 mi
LONGMONT CHRISTIAN SCHOOL Longmont 0.8 mi 7.8
GATEWAY MONTESSORI SCHOOL Longmont 0.8 mi
Timberline PK-8 Longmont 0.9 mi 7.2
Mountain View Elementary School Longmont 1.0 mi 5.0
Longmont High School Longmont 1.0 mi 6.8
Longs Peak Middle School Longmont 1.1 mi 5.2
St. Vrain Community Montessori School Longmont 1.3 mi 6.1
THE COTTAGE SCHOOL - TERRY Longmont 1.4 mi
Northridge Elementary School Longmont 1.5 mi 5.2
Skyline High School Longmont 1.3 mi 5.8
Rocky Mountain Elementary School Longmont 1.3 mi 4.1
Twin Peaks Charter Academy Longmont 1.5 mi 6.7
Alpine Elementary School Longmont 1.6 mi 3.8
Burlington Elementary School Longmont 1.9 mi 4.9

Neighborhood Census ACS (2019-2023)

Census data for ZIP 80501 (ACS 2019-2023 5-Year Estimates) · Data sources

Median Income

$77,705

Median Home Value

$461,400

Median Rent

$1,586/mo

Population

43,591

College Educated

38.6%

Homeownership

58%

Avg Commute

25.3 min

Poverty Rate

10.2%

Median Age

38

Similar Schools

Schools in the same state with comparable level, size, and ratings

School Rating
LIGHTHOUSE CHRISTIAN ACADEMY Cortez, CO 5.9
THE LIBERTY SCHOOL Durango, CO 5.9
CANON CHRISTIAN ACADEMY Canon City, CO 6.0
Prairie Vista Youth Service Center Brighton, CO 5.4
BRIGHTON ADVENTIST ACADEMY Brighton, CO 5.2
Marble Charter School Marble, CO 5.0

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
89 Very Walkable
Transit Score
40 Some Transit
Bike Score
63 Bikeable

Powered by Walk Score

Quick Facts NCES 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

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