Very Good
#475 of 1,815 schools in CO
Top 26% 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
7.4
Grades
4th – 8th
Enrollment
301
Student-Teacher
20.1:1
Score
7.4
Grades
4th – 8th
Updated
2022-23
Updated 2022-23
How this school compares
In Durango
#7 of 14
public schools
Colorado middle schools
#55 of 276
In district
#5 of 39
State Charter School Institute
Equity
9.2 / 10
Exceptional
About Mountain Middle School
Mountain Middle School serves 301 students in grades 4 through 8 in Durango, Colorado, operating as a public charter school with a student-teacher ratio of 20.1:1. With 15 full-time equivalent teachers, the school has earned a solid 7.0 out of 10 MySchoolScout rating and ranks #382 out of 1,831 Colorado schools, placing it in the 79th percentile statewide. Academically, Mountain Middle School demonstrates strong performance with an 8.9 out of 10 academic score.
In mathematics, 54% of students across all grade levels achieve proficiency or above, reflecting the school's commitment to student achievement. As a charter school, Mountain Middle School likely offers innovative approaches to education while maintaining public school accessibility. The school draws families from a well-educated community where 58% of residents hold bachelor's degrees or higher.
The surrounding neighborhood in the 81301 ZIP code has a median household income of $80,346 and a median home value of $584,700, with a poverty rate of 13.0% among the area's nearly 30,000 residents. Mountain Middle School is situated in the vibrant town of Durango, nestled in La Plata County, where families can enjoy both quality education and the natural beauty of southwestern Colorado's mountain setting.
What Parents Should Know
The student-teacher ratio at Mountain Middle School is 20.1:1, which is higher than the national average. This may mean larger class sizes, so parents should ask about classroom support, teaching assistants, and how the school differentiates instruction for students who need extra help.
Mountain Middle 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.
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%).
Equity & Diversity
Shown separately, not included in overall scoreFree/Reduced Lunch
0.2%
Students qualifying for federal meal assistance
Test Scores CO CMAS (2024-25)
Based on 17 test records from CO state assessments. About our data
Proficiency Trend
↑ ImprovingAverage 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: 8.9/10.
How Mountain Middle School Compares
See how Mountain Middle School performs across key quality dimensions compared to state benchmarks.
Performance Trends
Math proficiency has improved from 46% (2019) to 64.47% (2025). Reading/ELA proficiency has remained stable from 73% (2019) to 74.17% (2025).
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 7.3/10, 5.0 miles away), with a very similar rating. Additionally, Miller Middle School (rated 7.2/10, 0.4 miles away), with a very similar rating. 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 | 7.2 |
| THE LIBERTY SCHOOL Durango | 0.5 mi | 5.9 |
| Riverview Elementary School Durango | 0.5 mi | 9.1 |
| Durango High School Durango | 0.7 mi | 7.6 |
| Needham Elementary School Durango | 0.7 mi | 8.2 |
| 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 | 6.8 |
| Park Elementary School Durango | 2.2 mi | 9.0 |
| Durango Big Picture High School Durango | 2.2 mi | 8.4 |
| Colorado Connections Academy @ Durango Englewood | 2.2 mi | 5.4 |
| Animas High School Durango | 3.3 mi | 6.7 |
| The Juniper School Durango | 3.9 mi | 8.4 |
| Escalante Middle School Durango | 5.0 mi | 7.3 |
| Florida Mesa Elementary School Durango | 6.6 mi | 6.3 |
| Animas Valley Elementary School Durango | 7.4 mi | 4.0 |
| COLORADO TIMBERLINE ACADEMY Durango | 11.0 mi | 5.5 |
| Sunnyside Elementary School Durango | 12.2 mi | 6.0 |
| Bayfield High School Bayfield | 15.5 mi | 5.6 |
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
Community Profile
The community surrounding Mountain Middle School has a median household income of $83,209. It is a well-educated community where 58% of adults hold a bachelor's degree or higher. The median home value in the area is $634,900, with a median rent of $1,433/month. The area has a poverty rate of 14.5%. Residents enjoy a short average commute of 17 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 |
|---|---|
| Estes Park Middle School Estes Park, CO | 7.5 |
| Buena Vista Middle School Buena Vista, CO | 7.3 |
| Franklin Middle School Greeley, CO | 7.6 |
| Craig Middle School Craig, CO | 7.2 |
| Miller Middle School Durango, CO | 7.2 |
| Sunset Middle School Longmont, CO | 7.2 |
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 is ranked #475 out of 1,815 schools in CO.
What is Mountain Middle School's MySchoolScout rating?
Mountain Middle School has a composite rating of 7.4 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 Mountain Middle School?
Based on the most recent state assessment data, Mountain Middle School has 59.7% math proficiency and 74.4% reading/ELA proficiency.
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
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
- Phone
- (970) 828-5600
- Data Year
- 2023–2024
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
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 methodologyRelated reading
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