Needs Improvement
#1736 of 1,815 schools in CO
Ross Montessori School
Elementary School · State Charter School Institute
109 LEWIES LANE, Carbondale, CO 81623
Enrollment
213
Student-Teacher
21.3:1
Score
3.3
Grades
Kindergarten – 8th
Enrollment
213
Student-Teacher
21.3:1
Score
3.3
Grades
Kindergarten – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Colorado schools
#1,736 of 1,815
In Carbondale
#6 of 6
public schools
In district
#36 of 39
State Charter School Institute
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Ross Montessori School
Elementary School in Carbondale · grades Kindergarten – 8th. Start here, then compare fit against nearby and district options.
Bridges
0.1 mi away. Use as a geographic alternative in the same move search.
Carbondale Middle School
0.4 mi away. Use as a geographic alternative in the same move search.
About Ross Montessori School
Ross Montessori School is a public elementary school in Carbondale, CO, part of State Charter School Institute. Ross Montessori School serves approximately 213 students, and covers grades Kindergarten-8th, and has a 21.3:1 student-teacher ratio. Ross Montessori School has a current MySchoolScout rating of 3.3 out of 10 and ranks #1,736 of 1,815 schools in CO.
Structured state assessment records for Ross Montessori School show 40% math proficiency (multi-year average, 2009-2025) and 57% reading/ELA proficiency (multi-year average, 2009-2025).
- This school 3.3 · Needs Improvement
- District avg 5.8
- CO avg 6.3
What Parents Should Know
Ross Montessori School runs 21.3:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Ross Montessori School is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.
57% of students at Ross Montessori School were chronically absent in the 2022-23 school year, above the national average. Chronic absenteeism means missing 15 or more school days, and at high rates it drags on classroom pacing for everyone. Ask what the school does to help families get kids to class consistently.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Ross Montessori School — Students at Ross Montessori School score 38% proficient, which is below what's typical for similar communities (expected: 62%).
Test Scores CO CMAS (2024-25)
Based on 37 test records from CO state assessments. About our data
Proficiency Trend
↓ DecliningAverage proficiency (% at or above grade level) across Math & ELA over time.
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Source: EdFacts (NCES) and state assessment data. Growth score: 2.8/10.
How Ross Montessori School Compares
See how Ross Montessori School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
109 LEWIES LANE, Carbondale, CO 81623
Nearby Alternatives
Families considering Ross Montessori School may also want to explore other elementary schools in the area. Riverview School (rated 7.5/10, 7.7 miles away, in nearby Glenwood Springs), which scores notably higher. Another option is Two Rivers Community School (rated 7.1/10, 14.3 miles away, in nearby Glenwood Springs), which scores notably higher. Additionally, WALDORF SCHOOL ON THE ROARING FORK (rated 6.6/10, 3.9 miles away), which scores notably higher. For more schools in Carbondale, see our Carbondale schools guide .
Nearby Schools
20 within 22.4 mi| School | Distance | Rating |
|---|---|---|
| Bridges Carbondale | 0.1 mi | 7.3 |
| Carbondale Middle School Carbondale | 0.4 mi | 8.1 |
| Crystal River Elementary School Carbondale | 0.4 mi | 5.0 |
| Roaring Fork High School Carbondale | 0.7 mi | 7.2 |
| COLORADO ROCKY MOUNTAIN SCHOOL Carbondale | 1.3 mi | 7.3 |
| Carbondale Community Charter School Carbondale | 1.4 mi | 4.8 |
| WALDORF SCHOOL ON THE ROARING FORK Carbondale | 3.9 mi | 6.6 |
| Riverview School Glenwood Springs | 7.7 mi | 7.5 |
| CORNERSTONE CHRISTIAN SCHOOL Basalt | 7.4 mi | 7.5 |
| Sopris Elementary School Glenwood Springs | 9.6 mi | 6.6 |
| ST STEPHEN CATHOLIC SCHOOL Glenwood Springs | 11.2 mi | 6.6 |
| Basalt High School Basalt | 9.7 mi | 7.7 |
| Glenwood Springs High School Glenwood Springs | 11.6 mi | 7.5 |
| Basalt Elementary School Basalt | 9.8 mi | 4.0 |
| Basalt Middle School Basalt | 10.0 mi | 5.1 |
| Glenwood Springs Elementary School Glenwood Springs | 12.0 mi | 5.1 |
| Yampah Mountain School Glenwood Springs | 12.4 mi | 6.5 |
| Glenwood Springs Middle School Glenwood Springs | 14.0 mi | 5.5 |
| Two Rivers Community School Glenwood Springs | 14.3 mi | 7.1 |
| Marble Charter School Marble | 22.4 mi | 5.0 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 81623 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$98,549
Median Home Value
$835,000
Median Rent
$2,094/mo
Population
16,349
College Educated
50.4%
Homeownership
68.1%
Avg Commute
28.8 min
Poverty Rate
11.3%
Median Age
40.6
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Giberson Elementary School Colorado Springs, CO | 3.3 |
| Atlas Preparatory Elementary School Colorado Springs, CO | 3.2 |
| Beach Court Elementary School Denver, CO | 3.5 |
| Carver Elementary School Colorado Springs, CO | 3.5 |
| Academy of Arts and Knowledge Elementary Ft. Collins, CO | 3.0 |
| Avondale Elementary School Avondale, CO | 3.0 |
Frequently Asked Questions
Common questions about Ross Montessori School
What grades does Ross Montessori School serve?
Ross Montessori School serves students in grades Kindergarten through 8th.
How many students attend Ross Montessori School?
Ross Montessori School has an enrollment of approximately 213 students.
What is the student-teacher ratio at Ross Montessori School?
The student-teacher ratio at Ross Montessori School is 21.3:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Ross Montessori School rank in CO?
Ross Montessori School ranks #1,736 of 1,815 schools in CO.
What is Ross Montessori School's MySchoolScout rating?
Ross Montessori School has a current MySchoolScout rating of 3.3 out of 10. This score combines the level-appropriate components shown in the rating breakdown; equity data is shown separately for context.
What are the test scores at Ross Montessori School?
Based on loaded state assessment records, Ross Montessori School has 40% math proficiency (multi-year average, 2009-2025) and 57% reading/ELA proficiency (multi-year average, 2009-2025).
Is Ross Montessori School a charter school?
Yes, Ross Montessori School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Ross Montessori School a Title I school?
No, Ross Montessori School is not currently a Title I school.
Neighborhood Context
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Quick Facts NCES CCD (SY 2022-23)
- Grades
- Kindergarten – 8th
- Enrollment
- 213
- Student-Teacher Ratio
- 21.3:1
- Teachers (FTE)
- 10
- Type
- regular
- Setting
- Remote Town
- County
- Garfield County
- Chronic Absenteeism (SY 2022-23)
- 57.3%
- Phone
- (970) 963-7199
Resources & Links
District
State Charter School Institute- District Enrollment
- 19,593
- Schools in District
- 44
- Per-Pupil Spending
- $12,197
- District Rank
- #36 of 39
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