Enrollment
52
Iowa · 2024-25 NCES data
Other / mixed grade configuration · Diagonal, IA
Federal NCES profile for Diagonal Junior-Senior High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 41/100.
The verdict
Diagonal Junior-Senior High School earns 41/100 on the Resource Investment Index, with class sizes smaller than 92% of Iowa schools. It is also one of the smallest schools in Iowa.
Diagonal Junior-Senior High School has class sizes smaller than 92% of Iowa schools. Computed live against every Iowa school reporting to NCES.
NCES ID 190906000594 Verify on NCES CCD record →
Enrollment
52
Iowa · 2024-25 NCES data
Teachers (FTE)
5.0
Federal CCD staff survey
Students per teacher
10.4:1
vs 14.8:1 Iowa avg
-30% vs state
Free-lunch eligible
40.3%
vs 36.4% Iowa avg
+11% vs state
How Diagonal Junior-Senior High School compares with Iowa and U.S. medians
Smaller classes than state median
10.4:1 - 4.4 below the Iowa state median of 14.8:1, indicating smaller average class loads than typical schools in the state.
Diagonal Junior-Senior High School sits near the smaller end of the Iowa enrollment distribution while also reporting a lower student-teacher ratio than most state schools. That pairing is consistent with a compact, teacher-dense setting, though small scale can limit the number of specialized courses or support roles a campus can sustain. The program and staffing sections below show whether the lean ratio extends beyond classroom teachers into broader student services.
Diagonal Junior-Senior High School's free-meal eligibility sits closer to the broad Iowa middle than to an extreme, but its Resource Investment Index falls near the lower end of scored schools. That makes the composite itself the notable signal rather than student need. Inspecting the underlying factors matters here: a low score can result from thin counselor coverage, limited gifted access, attendance pressure, or heavier classroom staffing, and those are different operational problems.
Diagonal Junior-Senior High School's 30.8% chronic-absence rate is more consequential than a generic staffing label: at least one quarter of students missed 10% or more of school days in the 2021-22 collection. That level can affect instruction, counseling demand, and continuity even when other reported resources look ordinary. The dataset records the scale of absence but not its causes, so it should prompt a current-year question rather than a conclusion about school management.
Diagonal Junior-Senior High School is a small combined-grade school in Diagonal, Iowa, enrolling 52 students.
Classes run notably small here: at 10.4:1, Diagonal Junior-Senior High School is leaner than roughly 92% of Iowa schools and 30% under the state's 14.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 40.3% of students eligible for free meals.
This is a small campus: fewer students than 97% of Iowa schools, with 52 enrolled.
Its Resource Investment Index lands in the lower third of 1,322 scored Iowa schools.
Against 22 statewide peers matched on enrollment and economic need, it ranks mid-pack at #14.
Its student body is predominantly White (100% of enrollment), among the less diverse in the state (diversity index 0/100).
Counselor access is stretched at roughly 433 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Chronic absenteeism is elevated: 30.8% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
The surrounding Diagonal Comm School District spends $17,085 per pupil, 27% above the Iowa average, a better-resourced district than most.
Its district draws 17.4% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Among Diagonal's public schools, it stands alongside Diagonal Elementary School (58 students): Diagonal Junior-Senior High School is smaller than that campus by headcount and runs heavier classes (10.4:1 vs 9.7:1).
Its district, Diagonal Comm School District, also runs Diagonal Elementary School (58 students).
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
Diagonal Junior-Senior High School on the metrics families compare, against Iowa and U.S. means.
| Metric | This school | vs Iowa | Iowa avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 10.4:1 | ▼ 30% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 40.3% | ▲ 11% | 36.4% | 51.7% |
| Enrollment | 52 | top 97% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
Largest group: White at 100.0% of enrollment.
Simpson diversity index - at 0.0, Diagonal Junior-Senior High School is less mixed than the Iowa school average of 33.8.
District-wide per-pupil expenditure for Diagonal Comm School District, which includes Diagonal Junior-Senior High School.
Source: NCES F-33 School District Finance Survey District-level finance · FY 2022-23 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 |
|---|---|---|---|
| Diagonal Elementary School | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Diagonal Junior-Senior High School's own figures; each column derives from NCES Common Core of Data.
1 comparable other schools (grades Mixed) serving the same city.
Matched by enrollment size and by staffing ratio across all of Iowa, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Diagonal Junior-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.
Diagonal Junior-Senior High School has 52 students enrolled. It is a public school in Diagonal, IA.
The student-teacher ratio at Diagonal Junior-Senior High School is 10.4:1, which is 30% lower than the Iowa average of 14.8:1 and 34% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
40.3% of students at Diagonal Junior-Senior High School are eligible for free lunch, compared to the Iowa average of 36.4%.
The largest demographic group at Diagonal Junior-Senior High School is White at 100.0% of enrollment, in Diagonal, IA.
Diagonal Junior-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, gifted-program reporting, counselor availability, chronic absenteeism. Not a test-score or academic measure (national median ~41/100, see methodology).
Besides Diagonal Junior-Senior High School, Diagonal Comm School District also operates Diagonal Elementary School (58 students). See the Diagonal Comm 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, the data changelog, or report a data error. Data current as of August 2026.
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PlainSchools, “Diagonal Junior-Senior High School, Diagonal IA.” Compiled from NCES Common Core of Data, Civil Rights Data Collection, and the NCES F-33 finance survey; data as of August 2026. https://plainschools.com/schools/diagonal-junior-senior-high-school-ia
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