Enrollment
213
Idaho · 2024-25 NCES data
Other / mixed grade configuration · Nampa, ID
Federal NCES profile for Union High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
The verdict
Union High School earns 55/100 on the Resource Investment Index, with class sizes near the Idaho median. It is also more racially and ethnically mixed than most Idaho schools.
Union High School has class sizes near the Idaho median. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Union High School ranks #1 of 26 schools in Nampa, ID.
NCES ID 160234000762 Verify on NCES CCD record →
Enrollment
213
Idaho · 2024-25 NCES data
Teachers (FTE)
14.0
Federal CCD staff survey
Students per teacher
15.2:1
vs 17.1:1 Idaho avg
-11% vs state
Free-lunch eligible
42.1%
vs 29.3% Idaho avg
+44% vs state
How Union High School compares with Idaho and U.S. medians
At or below state median
15.2:1 - 1.9 below the Idaho state median of 17.1:1, indicating smaller average class loads than typical schools in the state.
Union High School is a mid-sized combined-grade school in Nampa, Idaho, enrolling 213 students.
Class sizes run a bit leaner than typical: 15.2:1 puts it in the smaller third of Idaho schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 42.1% of students eligible for free meals.
Enrollment of 213 puts it in the smaller third of Idaho schools by headcount.
Its Resource Investment Index lands in the upper third of 775 scored Idaho schools.
Against 67 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #13.
Its student body is led by White (52%) and Hispanic or Latino (39%), more mixed than most schools in the state (diversity index 57/100).
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 Columbia High School (1,165 students) alongside Union 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
Union 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 | 15.2:1 | ▼ 11% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 42.1% | ▲ 44% | 29.3% | 51.7% |
| Enrollment | 213 | top 67% | - | - |
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 52.1% of enrollment.
Simpson diversity index - at 56.6, Union High School is more mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Nampa School District, which includes Union 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 | Larger | Lower economic need | Higher S:T ratio |
| Columbia High School | Larger | Lower economic need | Higher S:T ratio |
| Skyview High School | Larger | Lower economic need | Higher S:T ratio |
| Lone Star Middle School | Larger | Lower economic need | Higher S:T ratio |
| South Middle School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Union 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 Union 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.
Union High School has 213 students enrolled. It is an alternative school in Nampa, ID.
The student-teacher ratio at Union High School is 15.2:1, which is 11% lower than the Idaho average of 17.1:1 and 3% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
42.1% of students at Union High School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Union High School is White at 52.1% of enrollment, in Nampa, ID. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.6/100.
Union High School has a Resource Investment Index of 55/100 (higher reported resources relative to schools nationally) based on 2 factors: student-teacher ratio. Not a test-score or academic measure (national median ~41/100, see methodology). Limited indicators were available, so the index reflects partial data.
By Resource Investment Index, Union High School ranks #1 of 26 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 schools in Nampa on the city page.
Union High School earns 55/100 on the Resource Investment Index, with class sizes near the Idaho median. It is also more racially and ethnically mixed than most Idaho schools. 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 Union High School, Nampa School District also operates Nampa Senior High School (1,288 students), Columbia High School (1,165 students), and Skyview High School (1,146 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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Last updated:
PlainSchools, “Union 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/union-high-school-id/
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