Enrollment
249
Colorado · 2024-25 NCES data
High school (grades 9-12) · Durango, CO
Animas High School
Federal NCES profile for Animas High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 40/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080002006418Charter school
👥 S:T ratio 45
📚 AP courses 10
🌟 Gifted program 70
🎓 Counselors 44
📋 Attendance 32
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Animas High School earns 40/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #1 of 3
- high schools in Durango · Resource Index
- 40
- Resource Index · Typical
- 13.8:1
- students per teacher
- 249
- students enrolled
Animas High School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Animas High School ranks #1 of 3 high schools in Durango, CO.
School address
District: State Charter School Institute · Colorado
NCES ID 080002006418 Verify on NCES CCD record →
Teachers (FTE)
18.0
Federal CCD staff survey
Students per teacher
13.8:1
vs 16.6:1 Colorado avg
-17% vs state
Student-teacher ratio in context
How Animas High School compares with Colorado and U.S. medians
What stands out at Animas High School
Animas High School is a mid-sized charter high school in Durango, Colorado, enrolling 249 students.
Class sizes run a bit leaner than typical: 13.8:1 puts it in the smaller third of Colorado schools by student-teacher ratio.
Enrollment of 249 puts it in the smaller third of Colorado schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,922 scored Colorado schools.
Its student body is predominantly White (80% of enrollment) (diversity index 34/100).
On the academic-pipeline side it reports 2 Advanced Placement courses.
Counselor coverage runs a bit thin, about 280 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Chronic absenteeism is elevated: 27.3% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding State Charter School Institute spends $10,869 per pupil, 33% below the Colorado average, a leaner-resourced district than most.
The federal civil-rights collection also records 2 expulsions at this campus for 2021-22.
State Charter School Institute also operates The Pinnacle Charter School (1,905 students) and Academy of Charter Schools (1,887 students) alongside Animas High School.
Sourced from NCES CCD, CRDC, and F-33 (federal records, not a quality verdict). How we source and compute this.
Source: National Center for Education Statistics Common Core of Data + CRDC + F-33 · 2024-25
How Animas High School compares
Animas High School on the metrics families compare, against Colorado and U.S. means.
| Metric | This school | vs Colorado | Colorado avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.8:1 | ▼ 17% | 16.6:1 | 15.7:1 |
| Enrollment | 249 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
13.8:1
Leaner classes than 59% of US schools, a middle-of-the-pack class size.
249
Bigger than 25% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Staffing depth
13.8:1
students per teacher
- 17% below state mean
Top 31% in Colorado - lower ratio than 69% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
27.3%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$10,869
per pupil, district-wide
- below Colorado avg of $16,273
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
0
in-school suspensions + 11 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 4.4 per 100 students. Reported via the Civil Rights Data Collection. Includes 2 expulsions.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
Three separate federal collections, each on its own reporting cadence - which is why this school's numbers line up on a consistent basis against every other school and state on this site, rather than mixing figures pulled from different survey years.
Student demographics
White 80.3%
Hispanic or Latino 13.3%
Two or More 4.8%
African American 0.8%
Asian 0.4%
American Indian / Alaska Native 0.4%
Largest group: White at 80.3% of enrollment.
Student-body diversity index 33.5/100
Simpson diversity index - at 33.5, Animas High School is less mixed than the Colorado school average of 47.1.
Programs
AP courses offered 2
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for State Charter School Institute, which includes Animas High School.
$10,869
Per student
-33%
vs Colorado
Avg $16,273
-34%
vs U.S.
Avg $16,593
Revenue mix
Local 8.8%
State 81.0%
Federal 10.1%
Source: NCES F-33 School District Finance Survey District-level finance · FY 2021-22 Per-pupil expenditure reflects the district-wide average. Individual school budgets are not reported at the federal level.
How Animas High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| The Pinnacle Charter School | Larger | No free-lunch data | Higher S:T ratio |
| Academy of Charter Schools | Larger | No free-lunch data | Higher 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 | Higher S:T ratio |
| Thomas Maclaren State Charter School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Animas High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 1,905
- Students per teacher
- 16.7:1
- Resource Index
- 32/100
- 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
Similar high schools statewide
Matched by enrollment size and by staffing ratio across all of Colorado, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~249 students)
Next steps
Verify locally before acting on Animas High School's federal record.
- Compare Animas High School against another school. Compare schools
- State Charter School Institute's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
Federal record (CCD 2024-25, CRDC 2021-22) - PlainSchools assigns no subjective rating; the composite quality score is a transparent, reproducible index computed from this cited federal data.
Frequently asked questions about Animas High School
How many students attend Animas High School?
Animas High School has 249 students enrolled. It is a high school in Durango, CO.
What is the student-teacher ratio at Animas High School?
The student-teacher ratio at Animas High School is 13.8:1, which is 17% lower than the Colorado average of 16.6:1 and 12% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What is the racial and ethnic makeup of Animas High School?
The largest demographic group at Animas High School is White at 80.3% of enrollment, in Durango, CO.
What is the Resource Investment Index for Animas High School?
Animas High School has a Resource Investment Index of 40/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Animas High School rank among high schools in Durango?
By Resource Investment Index, Animas High School ranks #1 of 3 high 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 high schools in Durango on the city page.
Is Animas High School a good school?
Animas High School earns 40/100 on the Resource Investment Index, with class sizes near the Colorado median. This is a resource snapshot, not an academic rating; see the Resource Investment Index question above for what the number does and doesn't measure.
What other schools are in State Charter School Institute?
Besides Animas High 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.
Related tools
Every figure on PlainSchools is rendered directly from the source NCES, CRDC and F-33 federal records, no number is typed in by an editor. Each school's figures reflect its most recent NCES/CRDC submission on file. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of June 2026.