- Enrollment
- 1,905
- Students per teacher
- 16.7:1
- Resource Index
- 32/100
Elementary school (grades K-5) · Durango, CO
Mountain Middle School
Federal NCES profile for Mountain Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataElementary school (grades K-5)NCES 080002006502Charter school
👥 S:T ratio 14
🌟 Gifted program 70
🎓 Counselors 29
📋 Attendance 92
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mountain Middle School earns 51/100 on the Resource Investment Index, with class sizes larger than 91% of Colorado schools.
- #4 of 15
- public schools in Durango · Resource Index
- 51
- Resource Index · Higher
- 21.6:1
- large classes for Colorado
- 302
- students enrolled
Mountain Middle School has class sizes larger than 91% of Colorado schools. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Mountain Middle School ranks #4 of 15 public schools in Durango, CO.
School address
District: State Charter School Institute · Colorado
NCES ID 080002006502 Verify on NCES CCD record →
CCD year-over-year · 2022-23 → 2023-24
+0 students YoY
Mountain Middle School held near 301 students from 2022-23 to 2023-24 (+0 headcount).
Teacher FTE added 14.1 → 15.1 across the same CCD years.
Source: NCES Common Core of Data public-school universe (2022-23, 2023-24).
Steady CCD campus
+0 students YoY 080002006502 · Durango, CO Elementary · SMALL · CHARTER
302 enr · 21.6:1 · RII 51
Nearest enrollment peer: The Pinnacle Charter School (1,905 students)
Mountain Middle School held near 301 students from 2022-23 to 2023-24 (+0 headcount). Teacher FTE added 14.1 → 15.1 across the same CCD years. Read with this school → · District book → · Colorado schools → · Find another →
Mountain Middle School in the enrollment neighbourhood
Fall enrollment among this campus and nearest district peers
- The Pinnacle C
The Pinnacle Charter School
1,905 students
- Academy of Cha
Academy of Charter Schools
1,887 students
- Colorado Early
Colorado Early Colleges Douglas County
1,035 students
- Colorado Early
Colorado Early Colleges Fort Collins
971 students
- Thomas Maclare
Thomas Maclaren State Charter School
927 students
- This school 302
Mountain Middle School
302 students
What this shows Mountain Middle School reports 302 students on the CCD universe file.
How Mountain Middle School compares
Mountain Middle School held steady on CCD headcount: ratios and free-lunch share vs Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 21.6:1 | ▲ 30% | 16.6:1 | 15.7:1 |
| Enrollment | 302 | top 61% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
21.6:1
Leaner classes than 11% of US schools, heavier class loads than most.
302
Bigger than 33% of US schools by enrollment, mid-sized for the country.
Equity indicators methodology
Staffing depth
21.6:1
students per teacher
- 30% above state mean
Top 91% in Colorado - lower ratio than 9% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
3.3%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$12,197
per pupil, district-wide
- below Colorado avg of $17,910
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors0.9 FTE
Student-support staffing from the Civil Rights Data Collection.
Discipline context
2
in-school suspensions + 8 out-of-school
Suspension rate: 0.7 per 100 students. Combined in-school and out-of-school rate: 3.3 per 100 students. Reported via the Civil Rights Data Collection.
Student demographics
White 86.8%
Hispanic or Latino 8.6%
Two or More 2.6%
American Indian / Alaska Native 1.7%
Asian 0.3%
Largest group: White at 86.8% of enrollment.
Student-body diversity index 23.8/100
Simpson diversity index - at 23.8, Mountain Middle School is less mixed than the Colorado school average of 47.1.
Programs
Gifted & talented Yes
District finance for State Charter School Institute reports $12,197 per pupil (NCES F-33) - open the district page for the full revenue mix.
How Mountain Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| The Pinnacle Charter School | Larger | No free-lunch data | Lower S:T ratio |
| Academy of Charter Schools | Larger | No free-lunch data | Similar S:T ratio |
| Colorado Early Colleges Douglas County | Larger | No free-lunch data | Higher S:T ratio |
| Colorado Early Colleges Fort Collins | Larger | No free-lunch data | Lower S:T ratio |
| Thomas Maclaren State Charter School | Larger | No free-lunch data | Lower S:T ratio |
Comparisons are relative to Mountain Middle School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,887
- Students per teacher
- 20.5:1
- Resource Index
- 22/100
- Enrollment
- 1,035
- Students per teacher
- 25.2:1
- Resource Index
- 49/100
- Enrollment
- 971
- Students per teacher
- 18:1
- Resource Index
- 52/100
- Enrollment
- 927
- Students per teacher
- 12.4:1
- Resource Index
- 47/100
Nationwide elementary schools with similar size or staffing
Out-of-state peers matched by enrollment and by student-teacher ratio, not the same-city or same-district lists above.
Similar enrollment (~302 students)
Frequently asked questions about Mountain Middle School
How many students attend Mountain Middle School?
Mountain Middle School has 302 students enrolled. It is an elementary school in Durango, CO. CCD year-over-year: 301 (2022-23) → 301 (2023-24), nearly flat (+0).
What is the student-teacher ratio at Mountain Middle School?
The student-teacher ratio at Mountain Middle School is 21.6:1, which is 30% higher than the Colorado average of 16.6:1 and 38% higher than the national average of 15.7:1.
What is the racial and ethnic makeup of Mountain Middle School?
The largest demographic group at Mountain Middle School is White at 86.8% of enrollment, in Durango, CO.
What is the Resource Investment Index for Mountain Middle School?
Mountain Middle School has a Resource Investment Index of 51/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Mountain Middle School rank among public schools in Durango?
By Resource Investment Index, Mountain Middle School ranks #4 of 15 public schools in Durango, CO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Durango on the city page.
What other schools are in State Charter School Institute?
Besides Mountain Middle School, State Charter School Institute also operates The Pinnacle Charter School (1,905 students), Academy of Charter Schools (1,887 students), and Colorado Early Colleges Douglas County (1,035 students). See the State Charter School Institute district page for the complete list.