Average
#1169 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
5.7
Grades
Kindergarten – 8th
Enrollment
213
Student-Teacher
21.3:1
Score
5.7
Grades
Kindergarten – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Carbondale
#4 of 6
public schools
Colorado elementary schools
#686 of 1,006
In district
#19 of 39
State Charter School Institute
Academic growth
7.4 / 10
Strong
About Ross Montessori School
Ross Montessori School is a charter school located in the remote town of Carbondale, Colorado. Serving kindergarten through eighth grade, Ross Montessori offers a unique educational experience with an enrollment of 213 students and a student-teacher ratio of 21.3:1. The school employs ten full-time equivalent teachers who are dedicated to fostering a nurturing environment that emphasizes hands-on learning and individualized instruction.
While the MySchoolScout rating for Ross Montessori is 4.7 out of 10, placing it in the 39th percentile among Colorado schools, there's significant potential for academic growth. The school’s state ranking reflects areas where it could improve, particularly in math performance with only 25% of students proficient or above and ELA proficiency at 40%. However, the focus is on student development and providing a well-rounded educational foundation.
The remote setting of Carbondale offers a unique community atmosphere for Ross Montessori School, fostering strong connections between families and educators.
What Parents Should Know
The student-teacher ratio at Ross Montessori School is 21.3:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Ross Montessori School is a charter school — a publicly funded school that operates with more autonomy than traditional district schools. Charter schools often have distinct educational models or specialties. Parents should understand the school's specific mission, enrollment process, and how its approach differs from nearby district options.
Score Breakdown
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Ross Montessori School — Students at Ross Montessori School score 38% proficient, which is below what's typical for similar communities (expected: 62%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.2%
Students qualifying for federal meal assistance
Test Scores CO CMAS (2024-25)
Based on 15 test records from CO state assessments. About our data
Proficiency Trend
→ StableAverage 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: 7.4/10.
How Ross Montessori School Compares
See how Ross Montessori School performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has improved from 22% (2019) to 30.7% (2025). Reading/ELA proficiency has improved from 42% (2019) to 44.35% (2025).
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. Sopris Elementary School (rated 7.9/10, 9.6 miles away, in nearby Glenwood Springs), which scores notably higher. Another option is Glenwood Springs Elementary School (rated 7.5/10, 12.0 miles away, in nearby Glenwood Springs), which scores notably higher. Additionally, Two Rivers Community School (rated 6.9/10, 14.3 miles away, in nearby Glenwood Springs), 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 | 5.6 |
| Carbondale Middle School Carbondale | 0.4 mi | 6.9 |
| Crystal River Elementary School Carbondale | 0.4 mi | 6.1 |
| Roaring Fork High School Carbondale | 0.7 mi | 5.8 |
| COLORADO ROCKY MOUNTAIN SCHOOL Carbondale | 1.3 mi | 7.3 |
| Carbondale Community Charter School Carbondale | 1.4 mi | 4.2 |
| WALDORF SCHOOL ON THE ROARING FORK Carbondale | 3.9 mi | 6.6 |
| Riverview School Glenwood Springs | 7.7 mi | 5.5 |
| CORNERSTONE CHRISTIAN SCHOOL Basalt | 7.4 mi | 7.5 |
| Sopris Elementary School Glenwood Springs | 9.6 mi | 7.9 |
| ST STEPHEN CATHOLIC SCHOOL Glenwood Springs | 11.2 mi | 6.6 |
| Basalt High School Basalt | 9.7 mi | 8.4 |
| Glenwood Springs High School Glenwood Springs | 11.6 mi | 7.5 |
| Basalt Elementary School Basalt | 9.8 mi | 5.2 |
| Basalt Middle School Basalt | 10.0 mi | 5.0 |
| Glenwood Springs Elementary School Glenwood Springs | 12.0 mi | 7.5 |
| Yampah Mountain School Glenwood Springs | 12.4 mi | 5.8 |
| Glenwood Springs Middle School Glenwood Springs | 14.0 mi | 6.4 |
| Two Rivers Community School Glenwood Springs | 14.3 mi | 6.9 |
| Marble Charter School Marble | 22.4 mi | 6.5 |
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
Community Profile
The community surrounding Ross Montessori School has a median household income of $98,549. It is a well-educated community where 50% of adults hold a bachelor's degree or higher. The median home value in the area is $835,000, with a median rent of $2,094/month. The area has a poverty rate of 11.3%. The average commute for residents is 29 minutes. Source: U.S. Census ACS 2022 5-Year Estimates.
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Bergen Meadow Primary School Evergreen, CO | 5.7 |
| CHRIST THE KING ROMAN CATHOLIC SCHOOL Denver, CO | 5.7 |
| Columbian Elementary School Denver, CO | 5.7 |
| Edith Teter Elementary School Fairplay, CO | 5.7 |
| Pioneer Elementary School Fort Morgan, CO | 5.7 |
| Ridgeview Elementary School Craig, CO | 5.7 |
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 is ranked #1169 out of 1,815 schools in CO.
What is Ross Montessori School's MySchoolScout rating?
Ross Montessori School has a composite rating of 5.7 out of 10 on MySchoolScout. This score combines academic performance, student growth, and school environment into a single score. Equity data is shown separately for context.
What are the test scores at Ross Montessori School?
Based on the most recent state assessment data, Ross Montessori School has 25.3% math proficiency and 40.2% reading/ELA proficiency.
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
- City Safety
- Elevated (780/100K)
FBI UCR 2024. City-level (Carbondale). Data >1 year old.
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
- Phone
- (970) 963-7199
- Data Year
- 2023–2024
Resources & Links
District
State Charter School Institute- District Enrollment
- 19,593
- Schools in District
- 44
- Per-Pupil Spending
- $12,197
- District Rank
- #19 of 39
How We Rate Schools
Every school receives a composite score from 1 to 10 based on four pillars: Academic Performance (50%), Student Growth (20%), Equity (15%), and Learning Environment (15%). Scores are built from publicly available data including standardized test results, enrollment figures, and school climate indicators.
Read our full methodologyRelated reading
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