Enrollment
777
Iowa · 2024-25 NCES data
High school (grades 9-12) · Denison, IA
Federal NCES profile for Denison High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 31/100.
The verdict
Denison High School earns 31/100 on the Resource Investment Index, with class sizes larger than 88% of Iowa schools.
Denison High School has class sizes larger than 88% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, Denison High School ranks #3 of 4 public schools in Denison, IA.
NCES ID 190891000508 Verify on NCES CCD record →
Enrollment
777
Iowa · 2024-25 NCES data
Teachers (FTE)
44.0
Federal CCD staff survey
Students per teacher
17.7:1
vs 14.8:1 Iowa avg
+20% vs state
Free-lunch eligible
48.3%
vs 36.4% Iowa avg
+33% vs state
How Denison High School compares with Iowa and U.S. medians
Slightly above state median
17.7:1 - 2.9 above the Iowa state median of 14.8:1, indicating larger average class loads than typical schools in the state.
Denison High School is a large high school in Denison, Iowa, enrolling 777 students.
Class loads run heavy: 17.7:1 is larger than about 88% of Iowa schools and 20% above the 14.8:1 state mean, so each teacher carries more students than is typical.
Economic need runs somewhat above the state's typical profile, with 48.3% of students eligible for free meals.
By headcount it is one of the larger campuses in Iowa, bigger than 93% of state schools at 777 students.
Its Resource Investment Index lands in the lower third of 1,322 scored Iowa schools.
Against 87 statewide peers matched on enrollment and economic need, it ranks mid-pack at #59.
Its student body is led by Hispanic or Latino (63%) and White (30%) (diversity index 50/100).
No Advanced Placement courses are reported for this campus in the federal data.
Counselor availability sits well past the ASCA benchmark, roughly 389 students sharing each counselor, though short of the most stretched campuses.
Chronic absenteeism is elevated: 31.1% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Its district draws 21.1% of revenue from federal sources, an above-typical federal share that tends to track a higher-need student population.
Denison Comm School District also operates Denison Elementary School (691 students) and Denison Middle School (502 students) alongside Denison 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
Denison 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 | 17.7:1 | ▲ 20% | 14.8:1 | 15.7:1 |
| Free-lunch eligible | 48.3% | ▲ 33% | 36.4% | 51.7% |
| Enrollment | 777 | top 7% | - | - |
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 63.4% of enrollment.
Simpson diversity index - at 50.4, Denison High School is more mixed than the Iowa school average of 33.8.
District-wide per-pupil expenditure for Denison Comm School District, which includes Denison 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 |
|---|---|---|---|
| Denison Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Denison Middle School | Smaller | Similar economic need | Lower S:T ratio |
| Broadway Elementary School | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Denison 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 Iowa, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Denison 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.
Denison High School has 777 students enrolled. It is a high school in Denison, IA.
The student-teacher ratio at Denison High School is 17.7:1, which is 20% higher than the Iowa average of 14.8:1 and 13% higher than the national average of 15.7:1.
48.3% of students at Denison High School are eligible for free lunch, compared to the Iowa average of 36.4%.
The largest demographic group at Denison High School is Hispanic or Latino at 63.4% of enrollment, in Denison, IA. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 50.4/100.
Denison High School has a Resource Investment Index of 31/100 (lower reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Denison High School ranks #3 of 4 public schools in Denison, IA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in Denison on the city page.
Denison High School earns 31/100 on the Resource Investment Index, with class sizes larger than 88% of Iowa 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 Denison High School, Denison Comm School District also operates Denison Elementary School (691 students), Denison Middle School (502 students), and Broadway Elementary School (288 students). See the Denison 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, or report a data error. Data current as of June 2026.
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Last updated:
PlainSchools, “Denison High School, Denison IA.” 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/denison-high-school-ia
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