Enrollment
197
Missouri · 2024-25 NCES data
Middle school (grades 6-8) · Plattsburg, MO
Clinton Co. R-Iii Middle
Federal NCES profile for Clinton Co. R-Iii Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 51/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 292529000846
👥 S:T ratio 28
🌟 Gifted program 70
🎓 Counselors 61
📋 Attendance 43
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Clinton Co. R-Iii Middle earns 51/100 on the Resource Investment Index, with class sizes larger than 94% of Missouri schools.
- #1 of 3
- public schools in Plattsburg · Resource Index
- 51
- Resource Index · Higher
- 17.9:1
- large classes for Missouri
- 34.7%
- free-lunch eligible
Clinton Co. R-Iii Middle has class sizes larger than 94% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Clinton Co. R-Iii Middle ranks #1 of 3 public schools in Plattsburg, MO.
School address
District: Clinton Co. R-Iii · Missouri
NCES ID 292529000846 Verify on NCES CCD record →
Teachers (FTE)
11.0
Federal CCD staff survey
Students per teacher
17.9:1
vs 12.8:1 Missouri avg
+40% vs state
Free-lunch eligible
34.7%
vs 46.1% Missouri avg
-25% vs state
Student-teacher ratio in context
How Clinton Co. R-Iii Middle compares with Missouri and U.S. medians
What stands out at Clinton Co. R-Iii Middle
Clinton Co. R-Iii Middle is a mid-sized middle school in Plattsburg, Missouri, enrolling 197 students.
Class loads run heavy: 17.9:1 is larger than about 94% of Missouri schools and 40% above the 12.8:1 state mean, so each teacher carries more students than is typical.
Its free-meal eligibility rate of 34.7% lands close to the Missouri typical range, neither a high- nor low-need campus by this measure.
Enrollment of 197 puts it in the smaller third of Missouri schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 342 statewide peers matched on enrollment and economic need, it ranks mid-pack at #173.
Its student body is predominantly White (83% of enrollment) (diversity index 30/100).
Counselor coverage is strong, about 197 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 22.8% of students chronically absent per the 2021-22 civil-rights collection.
Clinton Co. R-Iii also operates Ellis Elem. (301 students) and Plattsburg High (200 students) alongside Clinton Co. R-Iii Middle.
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
How Clinton Co. R-Iii Middle compares
Clinton Co. R-Iii Middle on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 17.9:1 | ▲ 40% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 34.7% | ▼ 25% | 46.1% | 51.7% |
| Enrollment | 197 | top 70% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
17.9:1
Leaner classes than 25% of US schools, heavier class loads than most.
197
Bigger than 19% of US schools by enrollment, a small campus.
Equity indicators (what these measure)
Economic need
34.7%
free-lunch eligible
- 25% below the Missouri average of 46.1%
Below the 40% Title I threshold; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
17.9:1
students per teacher
- 40% above state mean
Top 94% in Missouri - lower ratio than 6% of state schools
Between 16:1 and 20:1, squarely in the typical U.S. public-school staffing range.
Engagement
22.8%
chronically absent (missed 10%+ of school days)
At or above 20%, the commonly used threshold for "high" chronic absenteeism, signaling significant barriers to regular attendance.
Funding equity
$12,776
per pupil, district-wide
- below Missouri avg of $12,931
Well below the U.S. average per-pupil spend, a notably leaner funding position that may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 197 students, the combined health-and-guidance staffing load for this school.
Discipline context
24
in-school suspensions + 8 out-of-school
Suspension rate: 12.2 per 100 students. Combined in-school and out-of-school rate: 16.2 per 100 students. Reported via the Civil Rights Data Collection.
Overview
- Common Core of Data (June 2026): enrollment, staffing, and the student-teacher ratio above.
- Civil Rights Data Collection: discipline counts and program access (AP, gifted, special education).
- F-33 School District Finance Survey: the district-wide per-pupil spending figures below.
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.
Student demographics
White 82.7%
Two or More 10.2%
Hispanic or Latino 3.0%
African American 1.5%
Asian 1.5%
Native Hawaiian / Pacific Islander 1.0%
Largest group: White at 82.7% of enrollment.
Student-body diversity index 30.4/100
Simpson diversity index - at 30.4, Clinton Co. R-Iii Middle is about as mixed as the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Clinton Co. R-Iii, which includes Clinton Co. R-Iii Middle.
$12,776
Per student
-1%
vs Missouri
Avg $12,931
-23%
vs U.S.
Avg $16,593
Revenue mix
Local 60.4%
State 28.9%
Federal 10.7%
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.
How Clinton Co. R-Iii Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Ellis Elem. | Larger | Similar economic need | Lower S:T ratio |
| Plattsburg High | Similar size | Lower economic need | Lower S:T ratio |
Comparisons are relative to Clinton Co. R-Iii Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 301
- Students per teacher
- 11.1:1
- Resource Index
- 46/100
- Enrollment
- 200
- Students per teacher
- 10.5:1
- Resource Index
- 40/100
Similar middle schools statewide
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.
Similar enrollment (~197 students)
Similar student-teacher ratio (~17.9:1)
Next steps
Verify locally before acting on Clinton Co. R-Iii Middle's federal record.
- Compare Clinton Co. R-Iii Middle against another school. Compare schools
- Clinton Co. R-Iii's spending and staffing shape this school. District profile
- Confirm current enrollment and boundaries with the school. Choosing guide
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.
Frequently asked questions about Clinton Co. R-Iii Middle
How many students attend Clinton Co. R-Iii Middle?
Clinton Co. R-Iii Middle has 197 students enrolled. It is a middle school in Plattsburg, MO.
What is the student-teacher ratio at Clinton Co. R-Iii Middle?
The student-teacher ratio at Clinton Co. R-Iii Middle is 17.9:1, which is 40% higher than the Missouri average of 12.8:1 and 14% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Clinton Co. R-Iii Middle?
34.7% of students at Clinton Co. R-Iii Middle are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Clinton Co. R-Iii Middle?
The largest demographic group at Clinton Co. R-Iii Middle is White at 82.7% of enrollment, in Plattsburg, MO.
What is the Resource Investment Index for Clinton Co. R-Iii Middle?
Clinton Co. R-Iii Middle has a Resource Investment Index of 51/100 (higher 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).
How does Clinton Co. R-Iii Middle rank among public schools in Plattsburg?
By Resource Investment Index, Clinton Co. R-Iii Middle ranks #1 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.
Is Clinton Co. R-Iii Middle a good school?
Clinton Co. R-Iii Middle earns 51/100 on the Resource Investment Index, with class sizes larger than 94% 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.
What other schools are in Clinton Co. R-Iii?
Besides Clinton Co. R-Iii Middle, Clinton Co. R-Iii also operates Ellis Elem. (301 students) and Plattsburg High (200 students). See the Clinton Co. R-Iii district page for the complete list.
Related tools
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.