Enrollment
359
Idaho · 2024-25 NCES data
Other / mixed grade configuration · Twin Falls, ID
Federal NCES profile for I B Perrine Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
The verdict
I B Perrine Elementary School earns 49/100 on the Resource Investment Index, with class sizes smaller than 81% of Idaho schools.
I B Perrine Elementary School has class sizes smaller than 81% of Idaho schools. Computed live against every Idaho school reporting to NCES.
By Resource Investment Index, I B Perrine Elementary School ranks #2 of 12 schools in Twin Falls, ID.
NCES ID 160324000660 Verify on NCES CCD record →
Enrollment
359
Idaho · 2024-25 NCES data
Teachers (FTE)
28.0
Federal CCD staff survey
Students per teacher
12.8:1
vs 17.1:1 Idaho avg
-25% vs state
Free-lunch eligible
39.9%
vs 29.3% Idaho avg
+36% vs state
How I B Perrine Elementary School compares with Idaho and U.S. medians
Smaller classes than state median
12.8:1 - 4.3 below the Idaho state median of 17.1:1, indicating smaller average class loads than typical schools in the state.
I B Perrine Elementary School is a mid-sized combined-grade school in Twin Falls, Idaho, enrolling 359 students.
Class sizes run a bit leaner than typical: 12.8:1 puts it in the smaller third of Idaho schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 39.9% of students eligible for free meals.
With 359 students, its enrollment sits close to the Idaho median campus size.
Its Resource Investment Index lands in the upper third of 775 scored Idaho schools.
Against 138 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #21.
Its student body is led by White (64%) and Hispanic or Latino (21%) (diversity index 54/100).
Counselor availability sits well past the ASCA benchmark, roughly 359 students sharing each counselor, though short of the most stretched campuses.
The surrounding Twin Falls District spends $8,807 per pupil, 26% below the Idaho average, a leaner-resourced district than most.
Its district draws 20.8% 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 8 expulsions at this campus for 2021-22.
Twin Falls District also operates Canyon Ridge High School (1,445 students) and Twin Falls High School (1,381 students) alongside I B Perrine Elementary 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
I B Perrine Elementary 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 | 12.8:1 | ▼ 25% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 39.9% | ▲ 36% | 29.3% | 51.7% |
| Enrollment | 359 | top 46% | - | - |
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 63.8% of enrollment.
Simpson diversity index - at 54.3, I B Perrine Elementary School is more mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Twin Falls District, which includes I B Perrine Elementary 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 |
|---|---|---|---|
| Canyon Ridge High School | Larger | Lower economic need | Higher S:T ratio |
| Twin Falls High School | Larger | Lower economic need | Higher S:T ratio |
| Vera C O'leary Middle School | Larger | Lower economic need | Higher S:T ratio |
| Robert Stuart Middle School | Larger | Lower economic need | Higher S:T ratio |
| Rock Creek Elementary | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to I B Perrine Elementary 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 I B Perrine Elementary 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.
I B Perrine Elementary School has 359 students enrolled. It is a public school in Twin Falls, ID.
The student-teacher ratio at I B Perrine Elementary School is 12.8:1, which is 25% lower than the Idaho average of 17.1:1 and 18% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
39.9% of students at I B Perrine Elementary School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at I B Perrine Elementary School is White at 63.8% of enrollment, in Twin Falls, ID. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.3/100.
I B Perrine Elementary School has a Resource Investment Index of 49/100 (higher reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, I B Perrine Elementary School ranks #2 of 12 schools in Twin Falls, ID. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Twin Falls on the city page.
I B Perrine Elementary School earns 49/100 on the Resource Investment Index, with class sizes smaller than 81% of 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 I B Perrine Elementary School, Twin Falls District also operates Canyon Ridge High School (1,445 students), Twin Falls High School (1,381 students), and Vera C O'leary Middle School (758 students). See the Twin 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, “I B Perrine Elementary School, Twin 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/i-b-perrine-elementary-school-id
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