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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

Charter

Enrollment

301

Student-Teacher

20.1:1

Score

7.4

Grades

4th – 8th

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 metrics
Student Progress8.9Excellent40%
Year-over-year improvement in student test scores.
View breakdown
Years of Data4
Annual Change+1.57 pts/yr
Data Period2019–2025
TrendImproving
Academics9.1Exceptional35%
Student proficiency on state tests, adjusted for community poverty levels.
View breakdown
Math Proficiency64.5%
Reading/ELA Proficiency74.2%
Math vs. State Avg+28.4 pts
Reading vs. State Avg+29.3 pts
Overall Proficiency69%
Expected (poverty-adj.)62%
vs. Expected+7.0 pts
Adjusted Percentile86th
Resources & Environment2.5Needs Improvement25%
Student-teacher ratio, per-pupil spending, and attendance.
View breakdown
Student-Teacher Ratio20.1:1
Per-Pupil Spending$10,869

Mountain Middle School — Students at Mountain Middle School score 69% proficient, which is above what's typical for similar communities (expected: 62%).

How we calculate scores →

Equity & Diversity

Shown separately, not included in overall score

Free/Reduced Lunch

0.2%

Students qualifying for federal meal assistance

Test Scores CO CMAS (2024-25)

Math Proficiency 59.7%
School
State
36.6%
ELA Proficiency 74.4%
School
State
45.9%

Based on 17 test records from CO state assessments. About our data

Proficiency Trend

↑ Improving

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

2019
Math
46%
ELA
73%
2021*
Math
52%
ELA
77%
2022
Math
54%
2025
Math
64.2%
ELA
74.2%

* 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.

Overall Score
7.4/10
74th percentile in CO
Academic
9.1/10
9.1/10
Growth
8.9/10
Above average
Environment
2.5/10
Below average

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.

11 schools nearby View map →

Neighborhood Context

Walk Score
75 Very Walkable
Bike Score
66 Bikeable
County Safety
Average (283/100K)

Powered by Walk Score

FBI UCR 2024. County-level only. Data >1 year old.

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
Data Year
2023–2024

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 methodology

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