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Average

#847 of 1,815 schools in CO

Top 47% in state

Marble Charter School

School · Gunnison Watershed School District Re1J

412 WEST MAIN STREET, Marble, CO 81623

Charter

Enrollment

45

Student-Teacher

15:1

Score

6.5

Grades

Kindergarten – 10th

Updated 2022-23

How this school compares

Colorado schools

#33 of 130

In district

#3 of 7

Gunnison Watershed School District Re1J

School environment

7.0 / 10

Strong

About Marble Charter School

Marble Charter School is a small, rural public school located in Marble, Colorado. Serving kindergarten through tenth grade, the school has an enrollment of just 45 students and maintains a student-to-teacher ratio of 15:1 with three full-time equivalent teachers. As a charter school, it offers unique educational opportunities tailored to its community's needs.

Academically, Marble Charter School ranks in the 60th percentile among Colorado schools, scoring 7.8 out of 10 on MySchoolScout’s rating system. In ELA/Reading, 54% of students are proficient or above, while in Math, 37% meet this standard. With room for improvement, particularly in math proficiency, the school is focusing on student development and growth.

Marble Charter School sits in a remote rural area surrounded by natural beauty and small-town charm. The setting provides a tight-knit community where teachers and students can build strong relationships and support each other's educational journey.

What Parents Should Know

With an enrollment of 45 students, Marble Charter School is a smaller school where families often find a close-knit community atmosphere. Smaller settings can mean more individual attention from teachers and staff, though they may offer fewer extracurricular options than larger schools.

Marble Charter 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.

Located in a rural area, Marble Charter School may involve longer commutes for some families. Rural schools often serve as community anchors and may have smaller class sizes, but parents should consider transportation logistics, after-school program availability, and access to specialized services.

Score Breakdown

Full Profile · 4/4 metrics
Student Progress5.8Average25%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change-0.54 pts/yr
Data Period2019–2025
TrendStable
Academics6.7Above Average25%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency36.8%
Reading/ELA Proficiency68.4%
Math vs. State Avg+0.7 pts
Reading vs. State Avg+23.5 pts
Overall Proficiency53%
Expected (poverty-adj.)62%
vs. Expected-9.7 pts
Adjusted Percentile52th
College Readiness6.6Above Average30%
Graduation rates, AP course participation, and IB availability.
View breakdown
IB ProgramNo
Resources & Environment7.0Very Good20%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio15:1
Per-Pupil Spending$12,701

Marble Charter School — Students at Marble Charter School score 53% proficient, which is below what's typical for similar communities (expected: 62%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

0.1%

Students qualifying for federal meal assistance

Test Scores CO CMAS (2024-25)

Math Proficiency 36.6%
School
State
36.1%
ELA Proficiency 54.3%
School
State
44.9%

Based on 7 test records from CO state assessments. About our data

Proficiency Trend

↓ Declining

Average proficiency (% at or above grade level) across Math & ELA over time.

2019
Math
49.5%
ELA
69.5%
2021*
Math
30%
ELA
25%
2022
Math
30%
2025
Math
36.8%
ELA
68.4%

* 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: 5.8/10.

How Marble Charter School Compares

See how Marble Charter School performs across key quality dimensions compared to state benchmarks.

Overall Score
6.5/10
53th percentile in CO
Academic
6.7/10
6.7/10
Growth
5.8/10
Above average
Environment
7.0/10
Above average

Location

412 WEST MAIN STREET, Marble, CO 81623

Nearby Alternatives

Families considering Marble Charter School may also want to explore other schools in the area. Crested Butte Elementary School (rated 8.4/10, 18.4 miles away, in nearby Crested Butte), which scores notably higher. Another option is Basalt High School (rated 8.4/10, 21.3 miles away, in nearby Basalt), which scores notably higher. Additionally, Aspen Elementary School (rated 8.0/10, 20.3 miles away, in nearby Aspen), which scores notably higher. For more schools in Marble, see our Marble schools guide .

Nearby Schools

20 within 22.3 mi
School Distance Rating
Crested Butte Secondary School Crested Butte 18.4 mi 4.8
Crested Butte Elementary School Crested Butte 18.4 mi 8.4
Roaring Fork High School Carbondale 21.9 mi 5.8
Carbondale Middle School Carbondale 22.2 mi 6.9
Crystal River Elementary School Carbondale 22.3 mi 6.1
Basalt High School Basalt 21.3 mi 8.4
Ross Montessori School Carbondale 22.4 mi 5.7
Bridges Carbondale 22.5 mi 5.6
CORNERSTONE CHRISTIAN SCHOOL Basalt 22.0 mi 7.5
Basalt Elementary School Basalt 22.1 mi 5.2
Basalt Middle School Basalt 22.1 mi 5.0
WALDORF SCHOOL ON THE ROARING FORK Carbondale 23.2 mi 6.6
COLORADO ROCKY MOUNTAIN SCHOOL Carbondale 23.4 mi 7.3
Carbondale Community Charter School Carbondale 23.6 mi 4.2
Aspen High School Aspen 20.2 mi 7.1
Aspen Preschool Aspen 20.2 mi
Aspen Middle School Aspen 20.3 mi 5.6
Aspen Elementary School Aspen 20.3 mi 8.0
ASPEN COUNTRY DAY SCHOOL Aspen 20.3 mi 6.1
Aspen Community Charter School Woody Creek 22.3 mi 5.6

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 Marble Charter 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
HOLY TRINITY ACADEMY Trinidad, CO 6.6
THE JOSHUA SCHOOL Englewood, CO 6.8
Prairie Vista Youth Service Center Brighton, CO 6.1
CANON CHRISTIAN ACADEMY Canon City, CO 6.0
LIGHTHOUSE CHRISTIAN ACADEMY Cortez, CO 5.9
THE LIBERTY SCHOOL Durango, CO 5.9

Frequently Asked Questions

Common questions about Marble Charter School

What grades does Marble Charter School serve?

Marble Charter School serves students in grades Kindergarten through 10th.

How many students attend Marble Charter School?

Marble Charter School has an enrollment of approximately 45 students.

What is the student-teacher ratio at Marble Charter School?

The student-teacher ratio at Marble Charter School is 15:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.

How does Marble Charter School rank in CO?

Marble Charter School is ranked #847 out of 1,815 schools in CO.

What is Marble Charter School's MySchoolScout rating?

Marble Charter School has a composite rating of 6.5 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 Marble Charter School?

Based on the most recent state assessment data, Marble Charter School has 36.6% math proficiency and 54.3% reading/ELA proficiency.

Is Marble Charter School a charter school?

Yes, Marble Charter School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.

Is Marble Charter School a Title I school?

No, Marble Charter School is not currently a Title I school.

11 schools nearby View map →

Quick Facts NCES CCD (SY 2022-23)

Grades
Kindergarten – 10th
Enrollment
45
Student-Teacher Ratio
15:1
Teachers (FTE)
3
Type
regular
Setting
Remote Rural
County
Gunnison County
Data Year
2023–2024

District

Gunnison Watershed School District Re1J
District Enrollment
2,065
Schools in District
7
Per-Pupil Spending
$14,480
District Rank
#3 of 7

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 methodology

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