Enrollment
1,538
Missouri · 2024-25 NCES data
High school (grades 9-12) · O'fallon, MO
Federal NCES profile for Ft. Zumwalt North High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Ft. Zumwalt North High earns 48/100 on the Resource Investment Index, with class sizes larger than 71% of Missouri schools. It is also one of the largest schools in Missouri.
Ft. Zumwalt North High has class sizes larger than 71% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Ft. Zumwalt North High ranks #18 of 18 public schools in O'fallon, MO.
NCES ID 290837000239 Verify on NCES CCD record →
Enrollment
1,538
Missouri · 2024-25 NCES data
Teachers (FTE)
109.0
Federal CCD staff survey
Students per teacher
14.1:1
vs 12.8:1 Missouri avg
+10% vs state
Free-lunch eligible
14.1%
vs 46.1% Missouri avg
-69% vs state
How Ft. Zumwalt North High compares with Missouri and U.S. medians
Slightly above state median
14.1:1 - 1.3 above the Missouri state median of 12.8:1, indicating larger average class loads than typical schools in the state.
Ft. Zumwalt North High is a lower-poverty, large high school in O'fallon, Missouri, enrolling 1,538 students.
Class loads run somewhat heavier than typical: 14.1:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Comparatively few students face economic hardship here, 14.1% free-meal eligibility runs 69% below the Missouri average.
By headcount it is one of the larger campuses in Missouri, bigger than 98% of state schools at 1,538 students.
Its Resource Investment Index trails 91% of the 2,313 Missouri schools with a score on record, one of the lower results on this measure.
Among 76 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #62, in the lower tier once campus size and economic need are matched.
Its student body is led by White (77%) and African American (8%) (diversity index 39/100).
On the academic-pipeline side it reports 27 Advanced Placement courses.
Counselor availability sits well past the ASCA benchmark, roughly 385 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 22.8% of students chronically absent per the 2021-22 civil-rights collection.
Ft. Zumwalt R-Ii also operates Ft. Zumwalt West High (1,643 students) and Ft. Zumwalt South High (1,212 students) alongside Ft. Zumwalt North High.
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
Ft. Zumwalt North High on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 14.1:1 | ▲ 10% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 14.1% | ▼ 69% | 46.1% | 51.7% |
| Enrollment | 1,538 | top 2% | - | - |
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 77.4% of enrollment.
Simpson diversity index - at 38.7, Ft. Zumwalt North High is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for Ft. Zumwalt R-Ii, which includes Ft. Zumwalt North High.
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 |
|---|---|---|---|
| Ft. Zumwalt West High | Similar size | Similar economic need | Similar S:T ratio |
| Ft. Zumwalt South High | Similar size | Similar economic need | Similar S:T ratio |
| Ft. Zumwalt East High | Similar size | Similar economic need | Similar S:T ratio |
| Ft. Zuwmalt West Middle | Smaller | Similar economic need | Lower S:T ratio |
| Ft. Zumwalt North Middle | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Ft. Zumwalt North High's own figures; each column derives from NCES Common Core of Data.
Matched by enrollment size and by staffing ratio across all of Missouri, not just this city - a different peer set than the local comparisons above.
Next steps
Verify locally before acting on Ft. Zumwalt North High'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.
Ft. Zumwalt North High has 1,538 students enrolled. It is a high school in O'fallon, MO.
The student-teacher ratio at Ft. Zumwalt North High is 14.1:1, which is 10% higher than the Missouri average of 12.8:1 and 10% lower than the national average of 15.7:1.
14.1% of students at Ft. Zumwalt North High are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Ft. Zumwalt North High is White at 77.4% of enrollment, in O'fallon, MO.
Ft. Zumwalt North High has a Resource Investment Index of 48/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Ft. Zumwalt North High ranks #18 of 18 public schools in O'fallon, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all public schools in O'fallon on the city page.
Ft. Zumwalt North High earns 48/100 on the Resource Investment Index, with class sizes larger than 71% of Missouri schools. It is also one of the largest schools in Missouri. 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 Ft. Zumwalt North High, Ft. Zumwalt R-Ii also operates Ft. Zumwalt West High (1,643 students), Ft. Zumwalt South High (1,212 students), and Ft. Zumwalt East High (1,171 students). See the Ft. Zumwalt R-Ii 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.
Published by
PlainSchools Editorial
Independent public-data reference that compiles, verifies, and contextualizes official datasets. We do not accept compensation from entities we cover, and every dataset cites its originating public source.
Last updated:
PlainSchools, “Ft. Zumwalt North High, O'fallon MO.” 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/ft-zumwalt-north-high-mo
You are welcome to quote these figures with attribution to PlainSchools and the underlying source. The URL above is stable.