Excellent
#150 of 1,815 schools in CO
Top 8% in state
Mountain Middle School
Middle School · State Charter School Institute · Durango, CO
A State Charter School Institute charter middle school where students score 7 points above what's typical for similar communities.
108 WEST 31ST STREET, Durango, CO 81301
- Math 64% vs CO 37% (2025)
- Reading 74% vs CO 46% (2025)
- 20.1:1 student-teacher ratio
Academics
Full Profile · 3/3 metricsView breakdown
View breakdown
View breakdown
Students at Mountain Middle School score 69% proficient, which is above what's typical for similar communities (expected: 62%).
2025 CMAS proficiency
Most recent published year. School vs. CO average.
Trend
→ SteadyProficiency has held near 69% across the 15-year record (2011–2025).
Show all 13 years
Multi-year averages used by the rating model: math 53% (multi-year average, 2011-2025) · reading/ELA 71% (multi-year average, 2011-2025)
* COVID-affected year — test participation was uneven nationwide. This data is weighted at 50% in the Growth score calculation.
Based on 35 test records from CO state assessments and EdFacts (NCES).
How we rate schools
A clear 1–10 score built from public data — growth, academics, and learning environment. No hidden criteria, no pay-to-play.
See how we rateThe neighborhood
Where Mountain Middle School sits, and what the surrounding area looks like.
Nearby same-level schools are colored by their score. Pins are locations, not attendance boundaries.
Getting around & local context
- Walk 75Very Walkable
- Bike 66Bikeable
- County Safety: Average283/100K
Powered by
FBI Uniform Crime Reporting · 2024 · county context, not school-level safety or attendance eligibility. Source details
Source period: 2024. A newer release may be available.
Area profileU.S. Census ACS 5-year estimates (ACS 2019–2023 5-year estimates)
Median income
$83,209
Median home value
$634,900
Median rent
$1,433/mo
College educated
57.8%
Homeownership
65.3%
Poverty rate
14.5%
ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 81301; this is area context, not an attendance boundary.
Programs & students
Programs & Offerings
Compare nearby
Nearby same-level schools
4 from a 5-mile search; district fallback available
| School | Score | Grades | Distance | Enrollment | Compare |
|---|---|---|---|---|---|
| Miller Middle SchoolEnrollment path unverified | 6.4 | 6–8 | 0.4 mi | 398 | Compare → |
| The Liberty SchoolPrivate · tuition | 5.9private | 3–9 | 0.5 mi | 33 | Compare → |
| Colorado Connections Academy @ DurangoEnrollment path unverified | 6.8 | K–12 | 2.2 mi | 752 | Compare → |
| Escalante Middle SchoolEnrollment path unverified | 6.5 | 6–8 | 5.0 mi | 511 | Compare → |
Distance is proximity only; it is not attendance eligibility.
Enrollment path unverified: Potential public school; its attendance or application path has not been classified.
Private · tuition: Potential private option; tuition and admission requirements have not been verified.
Public and private scores come from different models and are shown side by side, not blended into one ranking.
State Charter School Institute
- Schools in district
- 44
- Rank in district
- #5 of 39
- District spending per student
- $12,197NCES F-33 · FY 2023 · This annual source is three years behind the current year.
- District child poverty rate
- The source release did not match this district identifier.
Mountain Middle School is listed in State Charter School Institute; a district label does not verify attendance for an address.
About Mountain Middle School
Mountain Middle School is a public middle school in Durango, CO, part of State Charter School Institute, serving approximately 301 students in grades 4th-8th with a 20.1:1 student-teacher ratio. It holds a MySchoolScout rating of 8.5 out of 10 and ranks #150 of 1,815 schools in CO. State assessment records show 53% math proficiency (multi-year average, 2011-2025) and 71% reading/ELA proficiency (multi-year average, 2011-2025).
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.
School factsNCES Common Core of Data (CCD) (SY 2023–24)
- 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
- Area population (ZIP 81301)
- 29,892
- Area average commute
- 17.1 min
- Area median age
- 41.8
About this school's data
Every number on this page comes from a published source with a stated period. Where a source is partial, aging, or describes a surrounding area rather than the school, that limitation is named below.
- School directory (enrollment, grades, staff, contact)
- NCES Common Core of Data (CCD) · SY 2023–24 · Medium confidence
- Source period: SY 2023–24. A newer release may be available.
- MySchoolScout rating and rank
- MySchoolScout ranking model · Low confidence
- Vintage not available. Do not use this measure alone.
- Derived as a weighted blend of the component scores shown in Academics from state assessment, EdFacts growth, and NCES resource records.
- Math proficiency
- State department of education · 2025 CMAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Reading/ELA proficiency
- State department of education · 2025 CMAS · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived from source records rather than read directly from one field.
- Student progress (growth)
- NCES EdFacts · Mixed source periods · Low confidence
- Vintage not available. Do not use this measure alone.
- Available for part of the eligible units; results may not represent the full area.
- Derived as the fitted year-over-year slope of proficiency from multi-year assessment records.
- Neighborhood (income, housing, education)
- U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates · Low confidence
- Older source: ACS 2019–2023 5-year estimates. Use as historical context.
- Reported for the ZCTA for ZIP 81301; this does not measure the attendance area.
- Programs (AP/IB, athletics, gifted)
- CRDC via Urban Institute · SY 2021–22 · Medium confidence
- Available for part of the eligible units; results may not represent the full area.
- Source period: SY 2021–22. A newer release may be available.
Evidence periods: Rating mixed/unknown input periods; assessments multi-year average, 2011-2025; directory SY 2023–24
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