Mountain Middle School

108 West 31st Street
Durango, CO 81301
10/
10
Top 10%
Serving 301 students in grades 4-8, Mountain Middle School ranks in the top 10% of all schools in Colorado for overall test scores (math proficiency is top 20%, and reading proficiency is top 20%).
The percentage of students achieving proficiency in math is 54% (which is higher than the Colorado state average of 32%). The percentage of students achieving proficiency in reading/language arts is 74% (which is higher than the Colorado state average of 45%).
The student:teacher ratio of 20:1 is higher than the Colorado state level of 15:1.
Minority enrollment is 12% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).

Quick Stats (2025)

  • School Type: Charter School
  • Grades: 4-8
  • Enrollment: 301 students
  • Student:Teacher Ratio: 20:1
  • Minority Enrollment: 12%
  • : Top 10% in CO
  • : 54% (Top 20%)
  • : 74% (Top 10%)
  • : 60-69% (Top 5%)
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

Top Rankings

Mountain Middle School ranks among the top 20% of public schools in Colorado for:

School Overview

Mountain Middle School's student population of 301 students has grown by 19% over five school years.
The teacher population of 15 teachers has grown by 36% over five school years.
School Type
Grades Offered
Grades 4-8
Total Students
301 students
This chart displays total students of Mountain Middle School by year, with the latest 2022-23 school year data.
Gender %
This chart displays gender of Mountain Middle School
Total Classroom Teachers
15 teachers
This chart displays the total teachers of Mountain Middle School by year, with the latest 2022-23 school year data.
Students by Grade
This chart displays the students of Mountain Middle School by grade.

School Rankings

Mountain Middle School ranks within the top 10% of all 1,779 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Mountain Middle School is 0.22, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
This School
State Level (CO)
#147 out of 1779 schools
(Top 10%)
This chart displays the overall school rank of Mountain Middle School, with the latest 2021-22 school year data.
54%
32%
This chart displays the percentage of students that scored at or above 'proficient' levels in Math of Mountain Middle School and the percentage of public school students that scored at or above 'proficient' levels in Math of public schools in Colorado by year, with the latest 2021-22 school year data.
74%
45%
This chart displays the percentage of students that scored at or above 'proficient' levels in Reading/Language Arts of Mountain Middle School and the percentage of public school students that scored at or above 'proficient' levels in Reading/Language Arts of Colorado by year, with the latest 2021-22 school year data.
(20-21)
60-69%
29%
Student : Teacher Ratio
20:1
15:1
This chart displays the student teacher ratio of Mountain Middle School and the public school average student teacher ratio of Colorado by year, with the latest 2022-23 school year data.
American Indian
1%
1%
This chart displays the percentage of American Indian students in Mountain Middle School and percentage of American Indian public school students in Colorado by year, with the latest 2022-23 school year data.
Asian
1%
3%
This chart displays the percentage of Asian students in Mountain Middle School and the percentage of Asian public school students in Colorado by year, with the latest 2021-22 school year data.
Hispanic
8%
36%
This chart displays the percentage of Hispanic students in Mountain Middle School and the percentage of Hispanic public school students in Colorado by year, with the latest 2022-23 school year data.
Black
n/a
5%
White
88%
50%
This chart displays the percentage of White students in Mountain Middle School and the percentage of White public school students in Colorado by year, with the latest 2022-23 school year data.
Hawaiian
n/a
n/a
Two or more races
2%
5%
This chart displays the percentage of students of two or more races in Mountain Middle School and the percentage of public school students of two or more races in Colorado by year, with the latest 2022-23 school year data.
All Ethnic Groups
This chart displays the percentage breakdown of students of all ethnic groups in Mountain Middle School.
This chart displays the percentage breakdown of public school students of all ethnic groups in Colorado.
0.22
This chart displays the diversity score of Mountain Middle School and the public school average diversity score of Colorado by year, with the latest 2022-23 school year data.
Eligible for Free Lunch
2%
39%
This chart displays the percentage of students who is eligible for free lunch in Mountain Middle School and the percentage of public school students who is eligible for free lunch in Colorado by year, with the latest 2022-23 school year data.
Eligible for Reduced Lunch
2%
6%
This chart displays the percentage of students who is eligible for reduced lunch in Mountain Middle School and the percentage of public school students who is eligible for reduced lunch in Colorado by year, with the latest 2022-23 school year data.
Source: National Center for Education Statistics (NCES), CO Dept. of Education

Frequently Asked Questions

What is Mountain Middle School's ranking?
Mountain Middle School is ranked #147 out of 1,779 schools, which ranks it among the top 10% of public schools in Colorado.
What schools are Mountain Middle School often compared to?
Mountain Middle Schoolis often viewed alongside schools like Miller Middle School, Escalante Middle School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
54% of students have achieved math proficiency (compared to the 32% CO state average), while 74% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Mountain Middle School?
301 students attend Mountain Middle School.
What is the racial composition of the student body?
88% of Mountain Middle School students are White, 8% of students are Hispanic, 2% of students are Two or more races, 1% of students are American Indian, and 1% of students are Asian.
What is the student:teacher ratio of Mountain Middle School?
Mountain Middle School has a student ration of 20:1, which is higher than the Colorado state average of 15:1.
What grades does Mountain Middle School offer ?
Mountain Middle School offers enrollment in grades 4-8
What school district is Mountain Middle School part of?
Mountain Middle School is part of State Charter School Institute School District.

School Reviews

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Quick Stats (2025)

  • School Type: Charter School
  • Grades: 4-8
  • Enrollment: 301 students
  • Student:Teacher Ratio: 20:1
  • Minority Enrollment: 12%
  • : Top 10%
  • : 54% (Top 20%)
  • : 74% (Top 10%)
  • : 60-69% (Top 5%)
  • Source: National Center for Education Statistics (NCES), CO Dept. of Education

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