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Charter elementary school · State Charter School Institute · Carbondale, Colorado

Ross Montessori School

Ross Montessori School rates 6.9, above the middle of State Charter School Institute's elementary schools, whose rated median is 6.2.

Elementary schools, 1 to 10This campus against public elementary schools around it that are rated on verified state test data.
6.9this school

6.9 on a one-to-ten scale; the State Charter School Institute median is 6.2.

#710 of 1,829 schools in Colorado · State Charter School Institute: 16 elementary schools rated, median 6.2

The brief

A State Charter School Institute charter elementary school where students score 38 points above what's typical for similar communities.

It ranks 710 of 1,829 schools in Colorado and 7 of 40 in State Charter School Institute.

Ross Montessori School is a charter school: it enrolls by application rather than by address, so check its enrollment process directly before choosing a neighborhood for it.

Math31%7 points below the Colorado average of 38%2026 CMAS
Reading44%3 points below the Colorado average of 47%2026 CMAS
Proficiency declined earlier in the 18-year record (2009–2026), then recovered 6 points since 2021, reaching 38% in 2026.2026 CMAS; 47 test records from CO state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
8.9
50% of the rating
Academics
6.8
30% of the rating
Resources & Environment
1.9
20% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2026

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 39% (multi-year average, 2009-2026) · reading/ELA 55% (multi-year average, 2009-2026).

School directory (enrollment, grades, staff, contact)
NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
  • Source period: SY 2023–24. A newer release may be available.
MySchoolScout rating and rank
MySchoolScout ranking model · Low confidence
  • Vintage not available. Do not use this measure alone.
  • Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
Math proficiency
State department of education · 2026 CMAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 CMAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2026 CMAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 CMAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · Mixed source periods · 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 the fitted year-over-year slope of proficiency from multi-year assessment 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 81623; this does not measure the attendance area.
Programs (AP/IB, athletics, gifted)
CRDC via Urban Institute · SY 2021–22 · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: SY 2021–22. A newer release may be available.

Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2009-2026; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Ross Montessori School and the 20 nearest elementary schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

Median income
$98,549
Median home value
$835,000
Median rent
$2,094/mo
College educated
50.4%
Homeownership
68.1%
Poverty rate
11.3%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 81623; this is area context, not an attendance boundary.

Getting around

Walk Score
82
Very Walkable
Bike Score
93
Biker's Paradise
City reported crime
746/100K
Reported Part-1 offenses (violent + property + arson) per 100,000 residents, from the FBI Uniform Crime Reporting program for Carbondale. This is a city-level reported-crime measure, not a school safety rating.

Walk, transit and bike scores byWalk Score

FBI Uniform Crime Reporting · 2025 · city context (Carbondale), not school-level safety or attendance eligibility. Source details

Source period: 2025. Freshness not available.

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

Gifted and talented
Available
A program for qualifying students · CRDC via Urban Institute · SY 2021–22

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 8.3Compare →
  2. Ross Montessori Schoolthis school
    6.9
  3. 4.9Compare →
Two grade-compatible schools using the same rating model sit within 5 miles, and one rates higher than Ross Montessori School.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

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.

The record

What is on file, and where each number came from.

Questions families ask

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 #710 of 1,829 schools in CO.

What is Ross Montessori School's MySchoolScout rating?

Ross Montessori School has a current MySchoolScout rating of 6.9 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 39% math proficiency (multi-year average, 2009-2026) and 55% reading/ELA proficiency (multi-year average, 2009-2026).

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.

School facts

Grades
Kindergarten – 8th
Enrollment
213
Student-teacher ratio
21.3:1
Teachers (FTE)
10
Type
Regular
Title I
No
Setting
Remote Town
County
Garfield County
Rank in district
#7 of 40
Schools in district
44
District spending per student
$12,197
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
Not available
The source release did not match this district identifier.
Area population (ZIP 81623)
16,349
Area average commute
28.8 min
Area median age
40.6

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, Colorado Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.