Enrollment
4
Missouri · 2024-25 NCES data
Other / mixed grade configuration · Potosi, MO
Federal NCES profile for Citadel School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 38/100.
The verdict
Citadel School earns 38/100 on the Resource Investment Index, with class sizes smaller than 98% of Missouri schools. It is also one of the smallest schools in Missouri.
Citadel School has class sizes smaller than 98% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Citadel School ranks #5 of 5 public schools in Potosi, MO.
NCES ID 290002203058 Verify on NCES CCD record →
Enrollment
4
Missouri · 2024-25 NCES data
Teachers (FTE)
1.0
Federal CCD staff survey
Students per teacher
4:1
vs 12.8:1 Missouri avg
-69% vs state
How Citadel School compares with Missouri and U.S. medians
Smaller classes than state median
4:1 - 8.8 below the Missouri state median of 12.8:1, indicating smaller average class loads than typical schools in the state.
Citadel School is a small combined-grade school in Potosi, Missouri, enrolling 4 students.
Classes run notably small here: at 4:1, Citadel School is leaner than roughly 98% of Missouri schools and 69% under the state's 12.8:1 norm, more adult attention per pupil than most peers.
This is a small campus: fewer students than 99% of Missouri schools, with 4 enrolled.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Its student body is predominantly White (100% of enrollment), among the less diverse in the state (diversity index 0/100).
Chronic absenteeism is elevated: 75.0% of students missed 10% or more of school days (2021-22 Civil Rights Data Collection).
Mo Schls for the Sev Disabled also operates Helen M Davis School (43 students) and Shady Grove School (39 students) alongside Citadel 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
Citadel School on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 4:1 | ▼ 69% | 12.8:1 | 15.7:1 |
| Enrollment | 4 | top 100% | - | - |
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 100.0% of enrollment.
Simpson diversity index - at 0.0, Citadel School is less mixed than the Missouri school average of 31.0.
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Helen M Davis School | Larger | No free-lunch data | Higher S:T ratio |
| Shady Grove School | Larger | No free-lunch data | Higher S:T ratio |
| Mapaville School | Larger | No free-lunch data | Higher S:T ratio |
| Greene Valley School | Larger | No free-lunch data | Higher S:T ratio |
| Maple Valley School | Larger | No free-lunch data | Similar S:T ratio |
Comparisons are relative to Citadel School'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 Citadel 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.
Citadel School has 4 students enrolled. It is a special-education school in Potosi, MO.
The student-teacher ratio at Citadel School is 4:1, which is 69% lower than the Missouri average of 12.8:1 and 75% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
The largest demographic group at Citadel School is White at 100.0% of enrollment, in Potosi, MO.
Citadel School has a Resource Investment Index of 38/100 (typical reported resources relative to schools nationally) based on 3 factors: student-teacher ratio, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Citadel School ranks #5 of 5 public schools in Potosi, 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 Potosi on the city page.
Citadel School earns 38/100 on the Resource Investment Index, with class sizes smaller than 98% of Missouri schools. It is also one of the smallest 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 Citadel School, Mo Schls for the Sev Disabled also operates Helen M Davis School (43 students), Shady Grove School (39 students), and Mapaville School (37 students). See the Mo Schls for the Sev Disabled 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, “Citadel School, Potosi 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/citadel-school-mo
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