Enrollment
568
Colorado · 2024-25 NCES data
High school (grades 9-12) · Alamosa, CO
Alamosa High School
Federal NCES profile for Alamosa High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataHigh school (grades 9-12)NCES 080207000027
👥 S:T ratio 37
📚 AP courses 50
🌟 Gifted program 70
🎓 Counselors 72
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Alamosa High School earns 57/100 on the Resource Investment Index, with class sizes near the Colorado median.
- #1 of 6
- public schools in Alamosa · Resource Index
- 57
- Resource Index · Higher
- 15.8:1
- students per teacher
- 46.7%
- free-lunch eligible
Alamosa High School has class sizes near the Colorado median. Computed live against every Colorado school reporting to NCES.
By Resource Investment Index, Alamosa High School ranks #1 of 6 public schools in Alamosa, CO.
School address
District: Alamosa School District No. Re-11j · Colorado
NCES ID 080207000027 Verify on NCES CCD record →
Teachers (FTE)
36.0
Federal CCD staff survey
Students per teacher
15.8:1
vs 16.6:1 Colorado avg
-5% vs state
Free-lunch eligible
46.7%
vs 38.5% Colorado avg
+21% vs state
Student-teacher ratio in context
How Alamosa High School compares with Colorado and U.S. medians
What stands out at Alamosa High School
Alamosa High School is a mid-sized high school in Alamosa, Colorado, enrolling 568 students.
At 15.8:1, its student-teacher ratio sits close to the Colorado median, within a few percentage points of the 16.6:1 state norm, neither notably crowded nor notably small.
Economic need runs somewhat above the state's typical profile, with 46.7% of students eligible for free meals.
Enrollment of 568 puts it in the larger third of Colorado schools by headcount.
Its Resource Investment Index lands in the upper third of 1,922 scored Colorado schools.
Among 241 similarly sized, similarly resourced-need Colorado schools statewide, it ranks #7, a top-tier result once campus size and economic need are matched.
Its student body is led by Hispanic or Latino (67%) and White (28%) (diversity index 48/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor coverage is strong, about 142 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding Alamosa School District No. Re-11j spends $11,228 per pupil, 31% below the Colorado average, a leaner-resourced district than most.
Its district draws 19.3% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
The federal civil-rights collection also records 5 expulsions at this campus for 2021-22.
Alamosa School District No. Re-11j also operates Alamosa Elementary School 3-5 (473 students) and Ortega Middle School (471 students) alongside Alamosa 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 Alamosa High School compares
Alamosa 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 | 15.8:1 | ▼ 5% | 16.6:1 | 15.7:1 |
| Free-lunch eligible | 46.7% | ▲ 21% | 38.5% | 51.7% |
| Enrollment | 568 | top 22% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.8:1
Leaner classes than 40% of US schools, a middle-of-the-pack class size.
568
Bigger than 70% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
46.7%
free-lunch eligible
- 21% above the Colorado average of 38.5%
Above the 40% Title I schoolwide threshold; federal funds support the whole school, not individual students.
Staffing depth
15.8:1
students per teacher
- 5% below state mean
Top 51% in Colorado - lower ratio than 49% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Funding equity
$11,228
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
Counselors4.0 FTE
Per 142 students, the combined health-and-guidance staffing load for this school.
Discipline context
33
in-school suspensions + 36 out-of-school
Suspension rate: 5.8 per 100 students. Combined in-school and out-of-school rate: 12.1 per 100 students. Reported via the Civil Rights Data Collection. Includes 5 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
Hispanic or Latino 66.9%
White 27.6%
Two or More 1.9%
American Indian / Alaska Native 1.2%
Asian 1.1%
African American 0.9%
Native Hawaiian / Pacific Islander 0.4%
Largest group: Hispanic or Latino at 66.9% of enrollment.
Student-body diversity index 47.6/100
Simpson diversity index - at 47.6, Alamosa High School is about as mixed as the Colorado school average of 47.1.
Programs
AP courses offered 10
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Alamosa School District No. Re-11j, which includes Alamosa High School.
$11,228
Per student
-31%
vs Colorado
Avg $16,273
-32%
vs U.S.
Avg $16,593
Revenue mix
Local 24.6%
State 56.1%
Federal 19.3%
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 Alamosa High School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Alamosa Elementary School 3-5 | Similar size | Higher economic need | Lower S:T ratio |
| Ortega Middle School | Similar size | Higher economic need | Similar S:T ratio |
| Alamosa Elementary School K-2 | Similar size | Higher economic need | Similar S:T ratio |
| Alamosa Alternative Education School | Smaller | Higher economic need | Higher S:T ratio |
| Alamosa Online | Smaller | No free-lunch data | Higher S:T ratio |
Comparisons are relative to Alamosa High School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 473
- Students per teacher
- 14.3:1
- Resource Index
- 47/100
- Enrollment
- 471
- Students per teacher
- 15.2:1
- Resource Index
- 54/100
- Enrollment
- 437
- Students per teacher
- 15.1:1
- Resource Index
- 35/100
- Enrollment
- 60
- Students per teacher
- 30:1
- Resource Index
- 0/100
- Enrollment
- 29
- Students per teacher
- 29:1
- Resource Index
- 55/100
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 (~568 students)
Next steps
Verify locally before acting on Alamosa High School's federal record.
- Compare Alamosa High School against another school. Compare schools
- Alamosa School District No. Re-11j'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 Alamosa High School
How many students attend Alamosa High School?
Alamosa High School has 568 students enrolled. It is a high school in Alamosa, CO.
What is the student-teacher ratio at Alamosa High School?
The student-teacher ratio at Alamosa High School is 15.8:1, which is 5% lower than the Colorado average of 16.6:1 and 1% higher than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Alamosa High School?
46.7% of students at Alamosa High School are eligible for free lunch, compared to the Colorado average of 38.5%.
What is the racial and ethnic makeup of Alamosa High School?
The largest demographic group at Alamosa High School is Hispanic or Latino at 66.9% of enrollment, in Alamosa, CO.
What is the Resource Investment Index for Alamosa High School?
Alamosa High School has a Resource Investment Index of 57/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, AP course offerings, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
How does Alamosa High School rank among public schools in Alamosa?
By Resource Investment Index, Alamosa High School ranks #1 of 6 public schools in Alamosa, 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 Alamosa on the city page.
Is Alamosa High School a good school?
Alamosa High School earns 57/100 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 Alamosa School District No. Re-11j?
Besides Alamosa High School, Alamosa School District No. Re-11j also operates Alamosa Elementary School 3-5 (473 students), Ortega Middle School (471 students), and Alamosa Elementary School K-2 (437 students). See the Alamosa School District No. Re-11j 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.