Enrollment
122
Idaho · 2024-25 NCES data
High school (grades 9-12) · Heyburn, ID
Federal NCES profile for Mt Harrison High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
The verdict
Mt Harrison High School earns 55/100 on the Resource Investment Index, with class sizes smaller than 94% of Idaho schools.
Mt Harrison High School has class sizes smaller than 94% of Idaho schools. Computed live against every Idaho school reporting to NCES.
NCES ID 160219000158 Verify on NCES CCD record →
Enrollment
122
Idaho · 2024-25 NCES data
Teachers (FTE)
13.0
Federal CCD staff survey
Students per teacher
9.4:1
vs 17.1:1 Idaho avg
-45% vs state
Free-lunch eligible
38.0%
vs 29.3% Idaho avg
+30% vs state
How Mt Harrison High School compares with Idaho and U.S. medians
Smaller classes than state median
9.4:1 - 7.7 below the Idaho state median of 17.1:1, indicating smaller average class loads than typical schools in the state.
Mt Harrison High School is a mid-sized high school in Heyburn, Idaho, enrolling 122 students.
Classes run notably small here: at 9.4:1, Mt Harrison High School is leaner than roughly 94% of Idaho schools and 45% under the state's 17.1:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 38.0% of students eligible for free meals.
Enrollment of 122 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 73 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 Hispanic or Latino (53%) and White (44%) (diversity index 52/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor coverage is strong, about 122 students per counselor, inside the American School Counselor Association's recommended 250:1.
The surrounding Minidoka County Joint District spends $8,535 per pupil, 29% below the Idaho average, a leaner-resourced district than most.
Its district draws 17.9% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Discipline events run high: 81 in- and out-of-school suspensions were reported for 122 students in the 2021-22 Civil Rights Data Collection.
Minidoka County Joint District also operates Minico Senior High School (1,203 students) and Rupert Elementary School (620 students) alongside Mt Harrison 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
Mt Harrison 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 | 9.4:1 | ▼ 45% | 17.1:1 | 15.7:1 |
| Free-lunch eligible | 38.0% | ▲ 30% | 29.3% | 51.7% |
| Enrollment | 122 | top 81% | - | - |
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: Hispanic or Latino at 53.3% of enrollment.
Simpson diversity index - at 51.9, Mt Harrison High School is more mixed than the Idaho school average of 36.3.
District-wide per-pupil expenditure for Minidoka County Joint District, which includes Mt Harrison 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 |
|---|---|---|---|
| Minico Senior High School | Larger | Similar economic need | Higher S:T ratio |
| Rupert Elementary School | Larger | Higher economic need | Higher S:T ratio |
| Heyburn Elementary School | Larger | Higher economic need | Higher S:T ratio |
| West Minico Middle School | Larger | Similar economic need | Higher S:T ratio |
| East Minico Middle School | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Mt Harrison 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 Mt Harrison 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.
Mt Harrison High School has 122 students enrolled. It is a high school in Heyburn, ID.
The student-teacher ratio at Mt Harrison High School is 9.4:1, which is 45% lower than the Idaho average of 17.1:1 and 40% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
38.0% of students at Mt Harrison High School are eligible for free lunch, compared to the Idaho average of 29.3%.
The largest demographic group at Mt Harrison High School is Hispanic or Latino at 53.3% of enrollment, in Heyburn, ID. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 51.9/100.
Mt Harrison High School has a Resource Investment Index of 55/100 (higher reported resources relative to schools nationally) based on 4 factors: student-teacher ratio, counselor availability. Not a test-score or academic measure (national median ~41/100, see methodology).
Mt Harrison High School earns 55/100 on the Resource Investment Index, with class sizes smaller than 94% 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 Mt Harrison High School, Minidoka County Joint District also operates Minico Senior High School (1,203 students), Rupert Elementary School (620 students), and Heyburn Elementary School (508 students). See the Minidoka County Joint 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, “Mt Harrison High School, Heyburn 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/mt-harrison-high-school-id/
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