Enrollment
302
Middle
DISTRICT 163 · STATE 462
SCHOOL COMMUNITY·STATE CHARTER SCHOOL INSTITUTE·NCES 080002006502
Mountain Middle School
108 WEST 31ST STREET, DURANGO, CO 81301 · (970) 828-5600 · La Plata County
GRADES 04–08MIDDLE32-TOWNCHARTERREGULAR SCHOOL302 STUDENTS
A+
allk12 Grade
Scored higher than 96% of Colorado public middle schools
- A+Test scores Share of students meeting the state standard in reading, math, and other tested subjects, 2023-24 and 2024-25.
- ·Beats expectations Not available for this school, so the grade uses the other parts.
- ·Three-year trend Not available for this school, so the grade uses the other parts.
Grades compare a school only with schools in the same state, because every state gives its own test. How grades work · Top-graded Colorado public middle schools
Student : Teacher
18.8:1
16 FTE teachers
DISTRICT 16.9:1 · STATE 15.9:1
Free / Reduced Lunch
,
Title I proxy
DISTRICT 53% · STATE 50%
Community
0
0 members
Enrollment and student:teacher ratio compared against other middle schools. Free/Reduced Lunch and demographics compared against all schools.
Enrollment by grade, 2024-25
| Grade | Students | Share |
|---|---|---|
| Grade 4 | 60 | 20% |
| Grade 5 | 63 | 21% |
| Grade 6 | 59 | 20% |
| Grade 7 | 60 | 20% |
| Grade 8 | 60 | 20% |
Student demographics
24%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 61% · STATE 62% · US 70%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Test scores
CMAS 2024-25 . % Met or Exceeded ExpectationsEnglish Language Arts
74.2%
CO avg 44.9% . -0.9pp since 2023
Math
64.5%
CO avg 36.1% . +2.8pp since 2023
What this means: On the CMAS, Colorado's statewide test, about 74 of every 100 students at this school read and write at grade level and about 65 of 100 do math at grade level. Across all Colorado schools, those numbers are about 45 and 36. Reading and writing scores have held steady since 2023, while math scores are up about 3 points.
CMAS results by year
| School year | English Language Arts | Math |
|---|---|---|
| 2024-25 | 74.2% | 64.5% |
| 2023-24 | 75.1% | 61.7% |
% Met or Exceeded Expectations, all students and all tested grades.
Source: CMAS. All students, all grades. See all years and grades →
Where Mountain Middle School ranks
Among middle schools| Measure | This school | In Colorado |
|---|---|---|
| Math proficiency ranked highest first | 64.5% | #9 of 244 ▲ 2 |
| Reading proficiency ranked highest first | 74.2% | #7 of 246 ▲ 2 |
| Enrollment ranked largest first | 302 | #195 of 278 |
| Students per teacher ranked fewest first | 18.8:1 | #195 of 227 |
| Diversity index ranked most diverse first | 23.9% | #217 of 227 |
| Enrollment change since 2017-18 ranked fastest growth first | +18.9% | #14 of 55 |
Ranked against other public middle schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.
4-year change
SY 2020-21 vs SY 2024-25Enrollment
302
+49 (+19%) vs 2020
Student : Teacher
18.8:1
was 23.0:1
Source: NCES Common Core of Data
Enrollment and staffing by year
| School year | Students | Teachers (FTE) | Students per teacher | Free and reduced lunch |
|---|---|---|---|---|
| 2024-25 | 302 | 16.1 | 18.8:1 | N/A |
| 2023-24 | 301 | 15.1 | 19.9:1 | N/A |
| 2022-23 | 301 | 14.1 | 21.4:1 | N/A |
| 2020-21 | 253 | 11 | 23.0:1 | N/A |
| 2017-18 | 254 | 12.3 | 20.7:1 | 12% (30) |
| 2015-16 | 180 | 8 | 22.5:1 | 5% (9) |
Source: NCES Common Core of Data. Rows are the federal collections on file for Mountain Middle School.
Since 2017-18: students up 19% (254 to 302); teachers up 31% (12.3 to 16.1).
About Mountain Middle School
Mountain Middle School is a middle school in DURANGO, Colorado, according to federal school records. Enrolled students number 302 students, in grades 4 through 8. Enrollment is 35% lower than the average for middle schools in Colorado, which is about 462.
State Charter School Institute enrolls 21,411 students in 49 schools, including Mountain Middle School.
Most students at Mountain Middle School are White: 87% of enrollment. The remaining students are 9% Hispanic and 3% multiracial. The chance that two students picked at random at Mountain Middle School belong to different racial or ethnic groups, known as the diversity index, is 24%.
The school reported 16.1 full-time-equivalent teachers in 2024-25 and a ratio of 18.8:1. For comparison, middle schools in Colorado average 15.9:1.
allk12 grades Mountain Middle School an A+. The grade compares the school only with Colorado public middle schools, because each state gives its own test.
In La Plata County (population about 56,331), median household income is about $86,056, 49% of adults hold a bachelor's degree or higher, and about 8% of residents live below the federal poverty line. A total of 24 public schools operate in La Plata County, serving about 7,504 students.
The nearest other public school, Miller Middle School, is about 0.4 miles away. In all, at least 8 other public schools sit within five miles of Mountain Middle School.
Mountain Middle School is coded as Town: Distant in federal locale data. Mountain Middle School is a publicly funded charter school.
The student count in 2024-25 was 302, 19% above the 253 of 2020-21. By 2024-25, the school had 18.8 students per teacher, compared with 23.0 in 2020-21.
Discussions about Mountain Middle School may include school safety, transportation, and start times. Alumni can share how the school prepared them.
La Plata County at a glance
View full county profilePopulation
56,331
Census ACS
Median income
$86,056
Household, ACS
Bachelor's+
49%
Adults 25+
Poverty rate
8%
Below federal line
Schools in county
24
7,504 students
Quick facts
Related schools
Other schools in State Charter School Institute
- The Pinnacle Charter SchoolCombined · 1,905 students
- Academy of Charter SchoolsCombined · 1,887 students
- Colorado Early Colleges Douglas CountyHigh · 1,035 students
- Colorado Early Colleges Fort CollinsHigh · 971 students
- Thomas MacLaren State Charter SchoolCombined · 965 students
- Caprock AcademyCombined · 871 students
Other schools in DURANGO
- Durango High SchoolHigh · 1,352 students
- Colorado Connections Academy @ DurangoCombined · 752 students
- Escalante Middle SchoolMiddle · 461 students
- Park Elementary SchoolElementary · 452 students
- Riverview Elementary SchoolElementary · 374 students
- Needham Elementary SchoolElementary · 367 students
Nearby schools
- Miller Middle School0.4 mi · 360
- Riverview Elementary School0.6 mi · 374
- Needham Elementary School0.7 mi · 367
- Durango High School0.7 mi · 1,352
- Animas High School1.8 mi · 249
- Southwest Colorado eSchool2.0 mi · 48
Frequently asked questions
About Mountain Middle SchoolHow large is Mountain Middle School?
Mountain Middle School enrolls approximately 302 students in grades 04-08.
Is Mountain Middle School an elementary, middle, or high school?
Mountain Middle School is a middle school covering grades 04-08.
How many students per teacher at Mountain Middle School?
Approximately 18.8:1 students per teacher at Mountain Middle School.
How diverse is Mountain Middle School?
Mountain Middle School reports a student body of 87% White, 9% Hispanic, 0% Asian, 3% Two or more.
What district is Mountain Middle School in?
Mountain Middle School is part of State Charter School Institute.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.