Excellent
#150 of 1,815 schools in CO
Top 8% in state
Mountain Middle School
Middle School · State Charter School Institute
108 WEST 31ST STREET, Durango, CO 81301
Enrollment
301
Student-Teacher
20.1:1
Score
8.5
Grades
4th – 8th
Enrollment
301
Student-Teacher
20.1:1
Score
8.5
Grades
4th – 8th
Data vintage
2022-23
Data vintage2022-23
How this school compares
Colorado schools
#150 of 1,815
In Durango
#2 of 14
public schools
In district
#5 of 39
State Charter School Institute
Academic growth
9.6 / 10
Excellent
Shortlisting around Mountain Middle School?
Use this profile as one decision point, then compare nearby options, source confidence, and commute fit before picking a neighborhood around it.
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Mountain Middle School
Middle School in Durango · grades 4th – 8th. Start here, then compare fit against nearby and district options.
Miller Middle School
0.4 mi away. Use as a geographic alternative in the same move search.
The Liberty School
0.5 mi away. Use as a geographic alternative in the same move search.
About Mountain Middle School
Mountain Middle School is a public middle school in Durango, CO, part of State Charter School Institute. Mountain Middle School serves approximately 301 students, and covers grades 4th-8th, and has a 20.1:1 student-teacher ratio. Mountain Middle School has a current MySchoolScout rating of 8.5 out of 10 and ranks #150 of 1,815 schools in CO.
Structured state assessment records for Mountain Middle School show 53% math proficiency (multi-year average, 2011-2025) and 71% reading/ELA proficiency (multi-year average, 2011-2025).
- This school 8.5 · Excellent
- District avg 6.0
- CO avg 6.0
What Parents Should Know
Mountain Middle School runs 20.1:1 students to teachers, above the national average. That often means bigger classes. Ask how the school supports kids who need extra help, and whether there are teaching assistants or small-group time.
Mountain Middle School is a charter school: publicly funded, but run with more independence than a traditional district school. Many charters are built around a specific model or focus, so it's worth understanding this one's mission, how enrollment works, and how it differs from the district schools nearby.
Score Breakdown
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Mountain Middle School — Students at Mountain Middle School score 69% proficient, which is above what's typical for similar communities (expected: 62%).
Test Scores CO CMAS (2024-25)
Based on 35 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: 9.6/10.
How Mountain Middle School Compares
See how Mountain Middle School performs across key quality dimensions compared to state benchmarks.
Funding & Resources
Programs & Offerings
Data as of 2021-22 · Source: CRDC via Urban Institute · Learn more
Location
108 WEST 31ST STREET, Durango, CO 81301
Nearby Alternatives
Families considering Mountain Middle School may also want to explore other middle schools in the area. Escalante Middle School (rated 6.5/10, 5.0 miles away), a more accessible option. Additionally, Miller Middle School (rated 6.4/10, 0.4 miles away), a more accessible option. For more schools in Durango, see our Durango schools guide .
Nearby Schools
20 within 15.5 mi| School | Distance | Rating |
|---|---|---|
| Miller Middle School Durango | 0.4 mi | 6.4 |
| THE LIBERTY SCHOOL Durango | 0.5 mi | 5.9 |
| Riverview Elementary School Durango | 0.5 mi | 7.6 |
| Durango High School Durango | 0.7 mi | 7.8 |
| Needham Elementary School Durango | 0.7 mi | 6.2 |
| ST COLUMBA SCHOOL Durango | 1.1 mi | 5.8 |
| CHILDREN'S HOUSE OF DURANGO Durango | 1.2 mi | — |
| DURANGO MONTESSORI SCHOOL Durango | 1.5 mi | 5.3 |
| Southwest Colorado eSchool Durango | 2.0 mi | 7.5 |
| Park Elementary School Durango | 2.2 mi | 8.4 |
| Durango Big Picture High School Durango | 2.2 mi | 7.4 |
| Colorado Connections Academy @ Durango Englewood | 2.2 mi | 6.8 |
| Animas High School Durango | 3.3 mi | 7.2 |
| The Juniper School Durango | 3.9 mi | 8.6 |
| Escalante Middle School Durango | 5.0 mi | 6.5 |
| Florida Mesa Elementary School Durango | 6.6 mi | 6.2 |
| Animas Valley Elementary School Durango | 7.4 mi | 4.8 |
| COLORADO TIMBERLINE ACADEMY Durango | 11.0 mi | 5.5 |
| Sunnyside Elementary School Durango | 12.2 mi | 4.2 |
| Bayfield High School Bayfield | 15.5 mi | 7.1 |
Neighborhood Census ACS (2019-2023)
Census data for ZIP 81301 (ACS 2019-2023 5-Year Estimates) · Data sources
Median Income
$83,209
Median Home Value
$634,900
Median Rent
$1,433/mo
Population
29,892
College Educated
57.8%
Homeownership
65.3%
Avg Commute
17.1 min
Poverty Rate
14.5%
Median Age
41.8
Similar Schools
Schools in the same state with comparable level, size, and ratings
| School | Rating |
|---|---|
| Salida Middle School Salida, CO | 8.6 |
| The Vanguard School (Middle) Colorado Springs, CO | 8.4 |
| Manhattan Middle School of the Arts and Academics Boulder, CO | 8.3 |
| Carbondale Middle School Carbondale, CO | 8.1 |
| Cache La Poudre Middle School Laporte, CO | 7.9 |
| Girls Athletic Leadership School Middle School Denver, CO | 9.1 |
Frequently Asked Questions
Common questions about Mountain Middle School
What grades does Mountain Middle School serve?
Mountain Middle School serves students in grades 4th through 8th.
How many students attend Mountain Middle School?
Mountain Middle School has an enrollment of approximately 301 students.
What is the student-teacher ratio at Mountain Middle School?
The student-teacher ratio at Mountain Middle School is 20.1:1. A lower ratio generally means more individual attention per student. The national average is approximately 16:1 for public schools.
How does Mountain Middle School rank in CO?
Mountain Middle School ranks #150 of 1,815 schools in CO.
What is Mountain Middle School's MySchoolScout rating?
Mountain Middle School has a current MySchoolScout rating of 8.5 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 Mountain Middle School?
Based on loaded state assessment records, Mountain Middle School has 53% math proficiency (multi-year average, 2011-2025) and 71% reading/ELA proficiency (multi-year average, 2011-2025).
Is Mountain Middle School a charter school?
Yes, Mountain Middle School is a charter school. Charter schools are publicly funded but independently operated, often with more flexibility in curriculum and teaching methods.
Is Mountain Middle School a Title I school?
No, Mountain Middle School is not currently a Title I school.
Explore More Schools
Neighborhood Context
Powered by 
Quick Facts NCES CCD (SY 2022-23)
- Grades
- 4th – 8th
- Enrollment
- 301
- Student-Teacher Ratio
- 20.1:1
- Teachers (FTE)
- 15
- Type
- regular
- Setting
- Distant Town
- County
- La Plata County
- Chronic Absenteeism (SY 2022-23)
- 1.7%
- Phone
- (970) 828-5600
Resources & Links
District
State Charter School Institute- District Enrollment
- 19,593
- Schools in District
- 44
- Per-Pupil Spending
- $12,197
- District Rank
- #5 of 39
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