Enrollment
408
Iowa · 2024-25 NCES data
Other / mixed grade configuration · Alleman, IA
Federal NCES profile for North Polk Central Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
North Polk Central Elementary School earns 45/100 on the Resource Investment Index, with class sizes larger than 88% of Iowa schools.
North Polk Central Elementary School has class sizes larger than 88% of Iowa schools. Computed live against every Iowa school reporting to NCES.
By Resource Investment Index, North Polk Central Elementary School ranks #2 of 3 public schools in Alleman, IA.
NCES ID 192091001923 Verify on NCES CCD record →
Enrollment
408
Iowa · 2024-25 NCES data
Teachers (FTE)
23.0
Federal CCD staff survey
Students per teacher
17.7:1
vs 14.8:1 Iowa avg
+20% vs state
Free-lunch eligible
9.4%
vs 36.4% Iowa avg
-74% vs state
How North Polk Central Elementary 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.
North Polk Central Elementary School is a lower-poverty, mid-sized combined-grade school in Alleman, Iowa, enrolling 408 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.
Comparatively few students face economic hardship here, 9.4% free-meal eligibility runs 74% below the Iowa average.
Enrollment of 408 puts it in the larger third of Iowa schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,322 scored Iowa schools.
Against 173 statewide peers matched on enrollment and economic need, it ranks mid-pack at #113.
Its student body is predominantly White (89% of enrollment) (diversity index 20/100).
Counselor access is stretched at roughly 453 students per counselor, well above the ASCA-recommended 250:1 ceiling.
11.8% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
North Polk Comm School District also operates North Polk High School (644 students) and North Polk Middle School (504 students) alongside North Polk Central 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
North Polk Central Elementary 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 | 9.4% | ▼ 74% | 36.4% | 51.7% |
| Enrollment | 408 | top 32% | - | - |
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 89.2% of enrollment.
Simpson diversity index - at 20.1, North Polk Central Elementary School is less mixed than the Iowa school average of 33.8.
District-wide per-pupil expenditure for North Polk Comm School District, which includes North Polk Central 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 |
|---|---|---|---|
| North Polk High School | Larger | Similar economic need | Similar S:T ratio |
| North Polk Middle School | Similar size | Similar economic need | Higher S:T ratio |
| North Polk West Elementary School | Similar size | Similar economic need | Lower S:T ratio |
| Big Creek Elementary | Similar size | Similar economic need | Lower S:T ratio |
Comparisons are relative to North Polk Central 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 Iowa, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on North Polk Central 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.
North Polk Central Elementary School has 408 students enrolled. It is a public school in Alleman, IA.
The student-teacher ratio at North Polk Central Elementary 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.
9.4% of students at North Polk Central Elementary School are eligible for free lunch, compared to the Iowa average of 36.4%.
The largest demographic group at North Polk Central Elementary School is White at 89.2% of enrollment, in Alleman, IA.
North Polk Central Elementary School has a Resource Investment Index of 45/100 (typical reported resources relative to schools nationally) based on 4 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, North Polk Central Elementary School ranks #2 of 3 public schools in Alleman, 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 Alleman on the city page.
North Polk Central Elementary School earns 45/100 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 North Polk Central Elementary School, North Polk Comm School District also operates North Polk High School (644 students), North Polk Middle School (504 students), and North Polk West Elementary School (396 students). See the North Polk 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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PlainSchools, “North Polk Central Elementary School, Alleman 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/north-polk-central-elementary-school-ia
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