Enrollment
1,298
Idaho · 2024-25 NCES data
High school (grades 9-12) · Idaho Falls, ID
Federal NCES profile for Idaho Falls Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Idaho Falls Senior High School earns 41/100 on the Resource Investment Index, with class sizes larger than 79% of Idaho schools. It is also one of the largest schools in Idaho.
Idaho Falls Senior High School has class sizes larger than 79% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, Idaho Falls Senior High School ranks #4 of 7 high schools in Idaho Falls, ID.
NCES ID 160153000262 Verify on NCES CCD record →
Enrollment
1,298
Idaho · 2024-25 NCES data
Teachers (FTE)
65.0
Federal CCD staff survey
Students per teacher
20:1
vs 17.1:1 Idaho avg
+17% vs state
Free-lunch eligible
17.8%
vs 29.3% Idaho avg
-39% vs state
How Idaho Falls Senior High School compares with Idaho and U.S. medians
Slightly above state median
20:1 - 2.9 above the Idaho state median of 17.1:1, indicating larger average class loads than typical schools in the state.
Idaho Falls Senior High School is a lower-poverty, large high school in Idaho Falls, Idaho, enrolling 1,298 students.
Class loads run somewhat heavier than typical: 20:1 puts it in the larger third of Idaho schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 17.8% of students eligible for free meals.
By headcount it is one of the larger campuses in Idaho, bigger than 97% of state schools at 1,298 students.
Its Resource Investment Index lands in the lower third of 775 scored Idaho schools.
Against 57 statewide peers matched on enrollment and economic need, it ranks mid-pack at #25.
Its student body is led by White (75%) and Hispanic or Latino (19%) (diversity index 41/100).
On the academic-pipeline side it reports 12 Advanced Placement courses.
Counselor access is stretched at roughly 433 students per counselor, well above the ASCA-recommended 250:1 ceiling.
The surrounding Idaho Falls District spends $8,895 per pupil, 25% below the Idaho average, a leaner-resourced district than most.
Its district draws 21.7% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Idaho Falls District also operates Skyline Senior High School (1,336 students) and Taylorview Middle School (753 students) alongside Idaho Falls 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
Idaho Falls 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 | 20:1 | ▲ 17% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 17.8% | ▼ 39% | 29.3% | 51.7% |
| Enrollment | 1,298 | 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: White at 74.7% of enrollment.
Simpson diversity index - at 40.5, Idaho Falls Senior High School is more mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Idaho Falls District, which includes Idaho Falls 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 |
|---|---|---|---|
| Skyline Senior High School | Similar size | Similar economic need | Similar S:T ratio |
| Taylorview Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Eagle Rock Middle School | Smaller | Higher economic need | Lower S:T ratio |
| Longfellow Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Sunnyside Elementary School | Smaller | Lower economic need | Similar S:T ratio |
Comparisons are relative to Idaho Falls 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 Idaho Falls 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.
Idaho Falls Senior High School has 1,298 students enrolled. It is a high school in Idaho Falls, ID.
The student-teacher ratio at Idaho Falls Senior High School is 20:1, which is 17% higher than the Idaho average of 17.1:1 and 27% higher than the national average of 15.7:1.
17.8% of students at Idaho Falls Senior High School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Idaho Falls Senior High School is White at 74.7% of enrollment, in Idaho Falls, ID.
Idaho Falls Senior 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, Idaho Falls Senior High School ranks #4 of 7 high schools in Idaho Falls, 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 Idaho Falls on the city page.
Idaho Falls Senior High School earns 41/100 on the Resource Investment Index, with class sizes larger than 79% 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 Idaho Falls Senior High School, Idaho Falls District also operates Skyline Senior High School (1,336 students), Taylorview Middle School (753 students), and Eagle Rock Middle School (704 students). See the Idaho Falls 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, “Idaho Falls Senior High School, Idaho Falls 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/idaho-falls-senior-high-school-id
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