Enrollment
1,400
Idaho · 2024-25 NCES data
High school (grades 9-12) · Caldwell, ID
Federal NCES profile for Caldwell Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 36/100.
The verdict
Caldwell Senior High School earns 36/100 on the Resource Investment Index, with class sizes larger than 82% of Idaho schools. It is also one of the largest schools in Idaho.
Caldwell Senior High School has class sizes larger than 82% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Caldwell Senior High School ranks #3 of 4 high schools in Caldwell, ID.
NCES ID 160051000104 Verify on NCES CCD record →
Enrollment
1,400
Idaho · 2024-25 NCES data
Teachers (FTE)
68.0
Federal CCD staff survey
Students per teacher
20.6:1
vs 17.1:1 Idaho avg
+20% vs state
Free-lunch eligible
66.6%
vs 29.3% Idaho avg
+127% vs state
How Caldwell Senior High School compares with Idaho and U.S. medians
Larger classes than state median
20.6:1 - 3.5 above the Idaho state median of 17.1:1, indicating larger average class loads than typical schools in the state.
Caldwell Senior High School is a higher-need, large high school in Caldwell, Idaho, enrolling 1,400 students.
Class loads run somewhat heavier than typical: 20.6:1 puts it in the larger third of Idaho schools by student-teacher ratio.
Economic need is high: 66.6% of students qualify for free meals, 127% above the Idaho average, a Title I-weighted population that federal funding formulas prioritise.
By headcount it is one of the larger campuses in Idaho, bigger than 97% of state schools at 1,400 students.
Its Resource Investment Index sits near the middle of the pack among 775 scored Idaho schools.
Its student body is led by Hispanic or Latino (67%) and White (28%) (diversity index 47/100).
On the academic-pipeline side it reports 5 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 350 students sharing each counselor, though short of the most stretched campuses.
Its district draws 29.8% 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 12 expulsions at this campus for 2021-22.
Caldwell District also operates Jefferson Middle School (778 students) and Syringa Middle School (695 students) alongside Caldwell Senior 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
Caldwell Senior High School on the metrics families compare, against Idaho and U.S. means.
| Metric | This school | vs Idaho | Idaho avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 20.6:1 | ▲ 20% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 66.6% | ▲ 127% | 29.3% | 51.7% |
| Enrollment | 1,400 | top 3% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
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.
Largest group: Hispanic or Latino at 67.4% of enrollment.
Simpson diversity index - at 46.9, Caldwell Senior High School is more mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Caldwell District, which includes Caldwell Senior High School.
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.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Jefferson Middle School | Smaller | Similar economic need | Similar S:T ratio |
| Syringa Middle School | Smaller | Higher economic need | Lower S:T ratio |
| Washington Elementary School | Smaller | Higher economic need | Lower S:T ratio |
| Van Buren Elementary School | Smaller | Higher economic need | Lower S:T ratio |
| Wilson Elementary School | Smaller | Similar economic need | Lower S:T ratio |
Comparisons are relative to Caldwell Senior High School's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Idaho, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Caldwell Senior High School's federal record.
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.
Caldwell Senior High School has 1,400 students enrolled. It is a high school in Caldwell, ID.
The student-teacher ratio at Caldwell Senior High School is 20.6:1, which is 20% higher than the Idaho average of 17.1:1 and 31% higher than the national average of 15.7:1.
66.6% of students at Caldwell Senior High School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Caldwell Senior High School is Hispanic or Latino at 67.4% of enrollment, in Caldwell, ID.
Caldwell Senior High School has a Resource Investment Index of 36/100 (typical 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).
By Resource Investment Index, Caldwell Senior High School ranks #3 of 4 high schools in Caldwell, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Caldwell on the city page.
Caldwell Senior High School earns 36/100 on the Resource Investment Index, with class sizes larger than 82% of Idaho schools. It is also one of the largest schools in Idaho. 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.
Besides Caldwell Senior High School, Caldwell District also operates Jefferson Middle School (778 students), Syringa Middle School (695 students), and Washington Elementary School (481 students). See the Caldwell District district page for the complete list.
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.
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PlainSchools, “Caldwell Senior High School, Caldwell ID.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of June 2026. https://plainschools.com/schools/caldwell-senior-high-school-id
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