Enrollment
136
Idaho · 2024-25 NCES data
Other / mixed grade configuration · Bruneau, ID
Federal NCES profile for Rimrock Jr/Sr High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 69/100.
The verdict
Rimrock Jr/Sr High School earns 69/100 on the Resource Investment Index, with class sizes smaller than 88% of Idaho schools.
Rimrock Jr/Sr High School has class sizes smaller than 88% of Idaho schools. Computed live against every Idaho school reporting to NCES.
NCES ID 160045000100 Verify on NCES CCD record →
Enrollment
136
Idaho · 2024-25 NCES data
Teachers (FTE)
12.0
Federal CCD staff survey
Students per teacher
11.3:1
vs 17.1:1 Idaho avg
-34% vs state
Free-lunch eligible
29.8%
vs 29.3% Idaho avg
+2% vs state
How Rimrock Jr/Sr High School compares with Idaho and U.S. medians
Smaller classes than state median
11.3:1 - 5.8 below the Idaho state median of 17.1:1, indicating smaller average class loads than typical schools in the state.
Rimrock Jr/Sr High School is a mid-sized combined-grade school in Bruneau, Idaho, enrolling 136 students.
Classes run notably small here: at 11.3:1, Rimrock Jr/Sr High School is leaner than roughly 88% of Idaho schools and 34% under the state's 17.1:1 norm, more adult attention per pupil than most peers.
Its free-meal eligibility rate of 29.8% lands close to the Idaho typical range, neither a high- nor low-need campus by this measure.
Enrollment of 136 puts it in the smaller third of Idaho schools by headcount.
Its Resource Investment Index outscores 98% of the 775 Idaho schools with a score on record, a top-tier result on this measure.
Among 88 similarly sized, similarly resourced-need Idaho schools statewide, it ranks #3, a top-tier result once campus size and economic need are matched.
Its student body is led by White (58%) and Hispanic or Latino (34%) (diversity index 54/100).
Counselor coverage is strong, about 91 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding Bruneau-Grand View Joint School District spends $17,637 per pupil, 48% above the Idaho average, a better-resourced district than most.
Its district draws 23.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Bruneau-Grand View Joint School District also operates Grand View Elementary School (96 students) and Bruneau Elementary School (31 students) alongside Rimrock Jr/Sr 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
Rimrock Jr/Sr 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 | 11.3:1 | ▼ 34% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 29.8% | ▲ 2% | 29.3% | 51.7% |
| Enrollment | 136 | top 79% | - | - |
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 58.1% of enrollment.
Simpson diversity index - at 54.4, Rimrock Jr/Sr High School is more mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Bruneau-Grand View Joint School District, which includes Rimrock Jr/Sr 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 |
|---|---|---|---|
| Grand View Elementary School | Smaller | Similar economic need | Higher S:T ratio |
| Bruneau Elementary School | Smaller | Similar economic need | Higher S:T ratio |
Comparisons are relative to Rimrock Jr/Sr 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 Rimrock Jr/Sr 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.
Rimrock Jr/Sr High School has 136 students enrolled. It is a public school in Bruneau, ID.
The student-teacher ratio at Rimrock Jr/Sr High School is 11.3:1, which is 34% lower than the Idaho average of 17.1:1 and 28% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
29.8% of students at Rimrock Jr/Sr High School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Rimrock Jr/Sr High School is White at 58.1% of enrollment, in Bruneau, ID. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.4/100.
Rimrock Jr/Sr High School has a Resource Investment Index of 69/100 (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).
Rimrock Jr/Sr High School earns 69/100 on the Resource Investment Index, with class sizes smaller than 88% 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 Rimrock Jr/Sr High School, Bruneau-Grand View Joint School District also operates Grand View Elementary School (96 students) and Bruneau Elementary School (31 students). See the Bruneau-Grand View Joint 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, “Rimrock Jr/Sr High School, Bruneau 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/rimrock-jrsr-high-school-id
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