Enrollment
1,165
Idaho · 2024-25 NCES data
High school (grades 9-12) · Nampa, ID
Federal NCES profile for Columbia High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Columbia High School earns 41/100 on the Resource Investment Index, with class sizes larger than 75% of Idaho schools. It is also one of the largest schools in Idaho.
Columbia High School has class sizes larger than 75% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Columbia High School ranks #3 of 5 high schools in Nampa, ID.
NCES ID 160234000870 Verify on NCES CCD record →
Enrollment
1,165
Idaho · 2024-25 NCES data
Teachers (FTE)
60.0
Federal CCD staff survey
Students per teacher
19.4:1
vs 17.1:1 Idaho avg
+13% vs state
Free-lunch eligible
29.1%
vs 29.3% Idaho avg
-1% vs state
How Columbia High School compares with Idaho and U.S. medians
Slightly above state median
19.4:1 - 2.3 above the Idaho state median of 17.1:1, indicating larger average class loads than typical schools in the state.
Columbia High School is a large high school in Nampa, Idaho, enrolling 1,165 students.
Class loads run somewhat heavier than typical: 19.4:1 puts it in the larger third of Idaho schools by student-teacher ratio.
Its free-meal eligibility rate of 29.1% lands close to the Idaho typical range, neither a high- nor low-need campus by this measure.
By headcount it is one of the larger campuses in Idaho, bigger than 95% of state schools at 1,165 students.
Its Resource Investment Index sits near the middle of the pack among 775 scored Idaho schools.
Against 45 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #14.
Its student body is led by White (51%) and Hispanic or Latino (43%) (diversity index 56/100).
On the academic-pipeline side it reports 10 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 388 students sharing each counselor, though short of the most stretched campuses.
Its district draws 25.6% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Nampa School District also operates Nampa Senior High School (1,288 students) and Skyview High School (1,146 students) alongside Columbia 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
Columbia 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 | 19.4:1 | ▲ 13% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 29.1% | ▼ 1% | 29.3% | 51.7% |
| Enrollment | 1,165 | top 5% | - | - |
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: White at 50.6% of enrollment.
Simpson diversity index - at 55.8, Columbia High School is more mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Nampa School District, which includes Columbia 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 |
|---|---|---|---|
| Nampa Senior High School | Similar size | Similar economic need | Similar S:T ratio |
| Skyview High School | Similar size | Similar economic need | Lower S:T ratio |
| Lone Star Middle School | Similar size | Similar economic need | Higher S:T ratio |
| South Middle School | Smaller | Similar economic need | Higher S:T ratio |
| East Valley Middle School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Columbia 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 Columbia 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.
Columbia High School has 1,165 students enrolled. It is a high school in Nampa, ID.
The student-teacher ratio at Columbia High School is 19.4:1, which is 13% higher than the Idaho average of 17.1:1 and 24% higher than the national average of 15.7:1.
29.1% of students at Columbia High School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Columbia High School is White at 50.6% of enrollment, in Nampa, ID. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 55.8/100.
Columbia High School has a Resource Investment Index of 41/100 (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, Columbia High School ranks #3 of 5 high schools in Nampa, 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 Nampa on the city page.
Columbia High School earns 41/100 on the Resource Investment Index, with class sizes larger than 75% 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 Columbia High School, Nampa School District also operates Nampa Senior High School (1,288 students), Skyview High School (1,146 students), and Lone Star Middle School (927 students). See the Nampa School 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, “Columbia High School, Nampa 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/columbia-high-school-id
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