Enrollment
200
Missouri · 2024-25 NCES data
High school (grades 9-12) · Plattsburg, MO
Federal NCES profile for Plattsburg High, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 33/100.
The verdict
Plattsburg High earns 33/100 on the Resource Investment Index, with class sizes smaller than 77% of Missouri schools.
Plattsburg High has class sizes smaller than 77% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Plattsburg High ranks #3 of 3 public schools in Plattsburg, MO.
NCES ID 292529001458 Verify on NCES CCD record →
Enrollment
200
Missouri · 2024-25 NCES data
Teachers (FTE)
19.0
Federal CCD staff survey
Students per teacher
10.5:1
vs 12.8:1 Missouri avg
-18% vs state
Free-lunch eligible
23.0%
vs 46.1% Missouri avg
-50% vs state
How Plattsburg High compares with Missouri and U.S. medians
Smaller classes than state median
10.5:1 - 2.3 below the Missouri state median of 12.8:1, indicating smaller average class loads than typical schools in the state.
Plattsburg High is a mid-sized high school in Plattsburg, Missouri, enrolling 200 students.
Class sizes run a bit leaner than typical: 10.5:1 puts it in the smaller third of Missouri schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 23.0% of students eligible for free meals.
Enrollment of 200 puts it in the smaller third of Missouri schools by headcount.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Among 249 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #221, in the lower tier once campus size and economic need are matched.
Its student body is led by White (78%) and Two or More (16%) (diversity index 37/100).
On the academic-pipeline side it reports 1 Advanced Placement course.
Counselor coverage is strong, about 200 students per counselor, inside the American School Counselor Association's recommended 250:1.
Chronic absenteeism is elevated: 35.5% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Clinton Co. R-Iii also operates Ellis Elem. (301 students) and Clinton Co. R-Iii Middle (197 students) alongside Plattsburg 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
Plattsburg 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 | 10.5:1 | ▼ 18% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 23.0% | ▼ 50% | 46.1% | 51.7% |
| Enrollment | 200 | top 70% | - | - |
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 77.5% of enrollment.
Simpson diversity index - at 37.4, Plattsburg High is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for Clinton Co. R-Iii, which includes Plattsburg 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 |
|---|---|---|---|
| Ellis Elem. | Larger | Similar economic need | Similar S:T ratio |
| Clinton Co. R-Iii Middle | Similar size | Higher economic need | Higher S:T ratio |
Comparisons are relative to Plattsburg 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 Plattsburg 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.
Plattsburg High has 200 students enrolled. It is a high school in Plattsburg, MO.
The student-teacher ratio at Plattsburg High is 10.5:1, which is 18% lower than the Missouri average of 12.8:1 and 33% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
23.0% of students at Plattsburg High are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Plattsburg High is White at 77.5% of enrollment, in Plattsburg, MO.
Plattsburg High has a Resource Investment Index of 33/100 (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, Plattsburg High ranks #3 of 3 public schools in Plattsburg, 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 Plattsburg on the city page.
Plattsburg High earns 33/100 on the Resource Investment Index, with class sizes smaller than 77% of Missouri 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 Plattsburg High, Clinton Co. R-Iii also operates Ellis Elem. (301 students) and Clinton Co. R-Iii Middle (197 students). See the Clinton Co. R-Iii 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, “Plattsburg High, Plattsburg 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/plattsburg-high-mo
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