Marble Charter School serves 42 students in grades Kindergarten-10.
Marble Charter School placed in the top 50% of all schools in Colorado for overall test scores (math proficiency is top 50%, and reading proficiency is top 50%) for the 2020-21 school year.
The percentage of students achieving proficiency in math is 21-39% (which is approximately equal to the Colorado state average of 33%) for the 2020-21 school year. The percentage of students achieving proficiency in reading/language arts is <50% (which is higher than the Colorado state average of 47%) for the 2020-21 school year.
The student:teacher ratio of 42:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 17% of the student body (majority Hispanic), which is lower than the Colorado state average of 48% (majority Hispanic).
- School Type: Charter School
- Grades: Kindergarten-10
- Enrollment: 42 students
- Student:Teacher Ratio: 42:1
- Minority Enrollment: 17%
- Overall Testing Rank: Top 50% in CO
- Math Proficiency: 21-39% (Top 50%)
- Reading Proficiency: <50% (Top 50%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
Marble Charter School ranks among the top 20% of public schools in Colorado for:
Marble Charter School's student population of 42 students has grown by 10% over five school years.
The teacher population of 1 teachers has stayed relatively flat over five school years.
Total Classroom Teachers
Students by Grade
Marble Charter School is ranked within the top 50% of all 1,734 schools in Colorado (based off of combined math and reading proficiency testing data) for the 2020-21 school year.
The diversity score of Marble Charter School is 0.29, which is less than the diversity score at state average of 0.61. The school's diversity has stayed relatively flat over five school years.
Definition of Terms 2021-2022 School Year Data
State Level (CO)
Overall Testing Rank
#714 out of 1734 schools
Math Test Scores (% Proficient)
Reading/Language Arts Test Scores (% Proficient)
Student : Teacher Ratio
Two or more races
All Ethnic Groups
Eligible for Free Lunch
Eligible for Reduced Lunch
School Statewide Testing
School District Name
Source: 2021-2022 (latest school year available) National Center for Education Statistics (NCES), CO Dept. of Education
Frequently Asked Questions
What is Marble Charter School's ranking?
Marble Charter School is ranked #714 out of 1,734 schools, which ranks it among the top 50% of public schools in Colorado.
What percent of students have achieved state testing proficiency in math and reading?
21-39% of students have achieved math proficiency (compared to the 33% CO state average), while <50% of students have achieved reading proficiency (compared to the 47% CO state average).
How many students attend Marble Charter School?
42 students attend Marble Charter School.
What is the racial composition of the student body?
83% of Marble Charter School students are White, 14% of students are Hispanic, and 3% of students are Two or more races.
What is the student:teacher ratio of Marble Charter School?
Marble Charter School has a student ration of 42:1, which is higher than the Colorado state average of 15:1.
What grades does Marble Charter School offer ?
Marble Charter School offers enrollment in grades Kindergarten-10
What school district is Marble Charter School part of?
Marble Charter School is part of Gunnison Watershed School District Re1j.
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