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Charter middle school · State Charter School Institute · Durango, Colorado

Mountain Middle School

Mountain Middle School rates 5.7, above the middle of State Charter School Institute's middle schools, whose rated median is 4.9.

Middle schools, 1 to 10This campus against public middle schools around it that are rated on verified state test data.
5.7this school

5.7 on a one-to-ten scale; the State Charter School Institute median is 4.9.

#1,199 of 1,829 schools in Colorado · State Charter School Institute: 3 middle schools rated, median 4.9

The brief

A State Charter School Institute charter middle school where students score 63 points above what's typical for similar communities.

It ranks 1,199 of 1,829 schools in Colorado and 19 of 40 in State Charter School Institute.

Mountain Middle School is a charter school: it enrolls by application rather than by address, so check its enrollment process directly before choosing a neighborhood for it.

Math63%25 points above the Colorado average of 38%2026 CMAS
Reading64%18 points above the Colorado average of 46%2026 CMAS
Proficiency is down 9 points across the 16-year record (2011–2026) and has held near 63% recently.2026 CMAS; 47 test records from CO state assessments and EdFacts (NCES).

What the rating is made of, each out of 10

Student Progress
2.6
40% of the rating
Academics
9.3
35% of the rating
Resources & Environment
5.8
25% of the rating
About this school's data1 correction under review · rating: low confidence · 7 sources, 2019–2026

Every number on this page comes from a published source with a stated period. Where a source is partial, aging, an estimate, or describes a surrounding area rather than the school, that limitation is named here.

Attendance data is under correction. This existing Resources & Environment score and overall rating may still reflect an unverified attendance input.

Full Profile · 3/3 metrics

Multi-year averages used by the rating model: math 55% (multi-year average, 2011-2026) · reading/ELA 69% (multi-year average, 2011-2026).

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 · 2026 CMAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 CMAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Reading/ELA proficiency
State department of education · 2026 CMAS · Medium confidence
  • Available for part of the eligible units; results may not represent the full area.
  • Source period: 2026 CMAS. A newer release may be available.
  • Derived from source records rather than read directly from one field.
Student progress (growth)
State assessments · 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, 2011-2026; directory SY 2023–24

The neighborhood

Where it sits, and what the area looks like.
Mountain Middle School and the 10 nearest middle schools, each pin colored by its score.Pins are locations, not attendance boundaries. Verify the enrollment path with the district.

The area

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%

U.S. Census ACS 5-year estimates · ACS 2019–2023 5-year estimates for the ZCTA associated with school ZIP 81301; this is area context, not an attendance boundary.

Getting around

Walk Score
75
Very Walkable
Bike Score
66
Bikeable

Walk, transit and bike scores byWalk Score

Programs and who goes here

What the campus offers, and who it enrolls.

Programs

Gifted and talented
Available
A program for qualifying students · CRDC via Urban Institute · SY 2021–22

Compare nearby

Grade-compatible schools using the same rating model.
Public-school ratings. Grade-compatible schools within 5 miles, best rated first.
  1. 7.7Compare →
  2. 6.4Compare →
  3. 6.2Compare →
  4. Mountain Middle Schoolthis school
    5.7
Three grade-compatible schools using the same rating model sit within 5 miles, and three rate higher than Mountain Middle School.Public-school ratings. Straight-line distance from this campus. Pins are locations, not attendance boundaries; verify the enrollment path with the district.

Distance is proximity only; it is not attendance eligibility.

Enrollment path unverified: Potential public school; its attendance or application path has not been classified.

The record

What is on file, and where each number came from.

Questions families ask

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 #1,199 of 1,829 schools in CO.

What is Mountain Middle School's MySchoolScout rating?

Mountain Middle School has a current MySchoolScout rating of 5.7 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 55% math proficiency (multi-year average, 2011-2026) and 69% reading/ELA proficiency (multi-year average, 2011-2026).

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 facts

Grades
4th – 8th
Enrollment
301
Student-teacher ratio
20.1:1
Teachers (FTE)
15
Type
Regular
Title I
No
Setting
Distant Town
County
La Plata County
Rank in district
#19 of 40
Schools in district
44
District spending per student
$12,197
NCES F-33 · FY 2023 · This annual source is three years behind the current year.
District child poverty rate
Not available
The source release did not match this district identifier.
Area population (ZIP 81301)
29,892
Area average commute
17.1 min
Area median age
41.8

NCES Common Core of Data (CCD) (SY 2023–24).

Related reading

Data from NCES Common Core of Data, Colorado Dept. of Education, and U.S. Census ACS for the 2023–24 school year. Rankings computed by MySchoolScout. See all data sources.