Enrollment
583
Missouri · 2024-25 NCES data
Middle school (grades 6-8) · Ballwin, MO
Selvidge Middle
Federal NCES profile for Selvidge Middle, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 57/100.
2024-25 NCES dataMiddle school (grades 6-8)NCES 292685000712
👥 S:T ratio 52
🌟 Gifted program 70
🎓 Counselors 61
📋 Attendance 47
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Selvidge Middle earns 57/100 on the Resource Investment Index, with class sizes near the Missouri median. It is also more racially and ethnically mixed than most Missouri schools.
- #5 of 12
- public schools in Ballwin · Resource Index
- 57
- Resource Index · Higher
- 12.1:1
- students per teacher
- 13.1%
- free-lunch eligible
Selvidge Middle has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Selvidge Middle ranks #5 of 12 public schools in Ballwin, MO.
School address
District: Rockwood R-Vi · Missouri
NCES ID 292685000712 Verify on NCES CCD record →
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
12.1:1
vs 12.8:1 Missouri avg
-5% vs state
Free-lunch eligible
13.1%
vs 46.1% Missouri avg
-72% vs state
Student-teacher ratio in context
How Selvidge Middle compares with Missouri and U.S. medians
What stands out at Selvidge Middle
Selvidge Middle is a lower-poverty, mid-sized middle school in Ballwin, Missouri, enrolling 583 students.
At 12.1:1, its student-teacher ratio sits close to the Missouri median, within a few percentage points of the 12.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 13.1% free-meal eligibility runs 72% below the Missouri average.
Enrollment of 583 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index lands in the upper third of 2,313 scored Missouri schools.
Against 310 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #48.
Its student body is led by White (61%) and Asian (19%), more mixed than most schools in the state (diversity index 58/100).
Counselor coverage is strong, about 194 students per counselor, inside the American School Counselor Association's recommended 250:1.
Attendance runs somewhat below the norm, with 21.3% of students chronically absent per the 2021-22 civil-rights collection.
Rockwood R-Vi also operates Marquette Sr. High (2,095 students) and Lafayette Sr. High (1,669 students) alongside Selvidge 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 Selvidge Middle compares
Selvidge 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 | 12.1:1 | ▼ 5% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 13.1% | ▼ 72% | 46.1% | 51.7% |
| Enrollment | 583 | top 16% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
12.1:1
Leaner classes than 75% of US schools, among the more generously staffed nationally.
583
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
13.1%
free-lunch eligible
- 72% below the Missouri average of 46.1%
Below the 40% Title I threshold, among the lower-need profiles in the state; federal aid targets individual qualifying students rather than schoolwide programs.
Staffing depth
12.1:1
students per teacher
- 5% below state mean
Top 42% in Missouri - lower ratio than 58% of state schools
Well under the widely cited 15:1 individualized-attention benchmark, among the leaner class loads nationally.
Engagement
21.3%
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
$11,739
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
Counselors3.0 FTE
Per 194 students, the combined health-and-guidance staffing load for this school.
Discipline context
53
in-school suspensions + 23 out-of-school
Suspension rate: 9.1 per 100 students. Combined in-school and out-of-school rate: 13.0 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 61.1%
Asian 18.7%
African American 8.6%
Two or More 6.5%
Hispanic or Latino 5.1%
Largest group: White at 61.1% of enrollment.
Student-body diversity index 57.7/100
Simpson diversity index - at 57.7, Selvidge Middle is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Rockwood R-Vi, which includes Selvidge Middle.
$11,739
Per student
-9%
vs Missouri
Avg $12,931
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 80.2%
State 14.4%
Federal 5.4%
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 Selvidge Middle Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Marquette Sr. High | Larger | Similar economic need | Higher S:T ratio |
| Lafayette Sr. High | Larger | Similar economic need | Higher S:T ratio |
| Eureka Sr. High | Larger | Similar economic need | Higher S:T ratio |
| Rockwood Summit Sr. High | Larger | Similar economic need | Higher S:T ratio |
| Crestview Middle | Larger | Similar economic need | Higher S:T ratio |
Comparisons are relative to Selvidge Middle's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,095
- Students per teacher
- 15.4:1
- Resource Index
- 37/100
- Enrollment
- 1,669
- Students per teacher
- 15.6:1
- Resource Index
- 43/100
- Enrollment
- 1,586
- Students per teacher
- 15.3:1
- Resource Index
- 37/100
- Enrollment
- 1,194
- Students per teacher
- 15.3:1
- Resource Index
- 36/100
- Enrollment
- 1,091
- Students per teacher
- 14.5:1
- Resource Index
- 48/100
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 (~583 students)
Similar student-teacher ratio (~12.1:1)
Next steps
Verify locally before acting on Selvidge Middle's federal record.
- Compare Selvidge Middle against another school. Compare schools
- Rockwood R-Vi'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 Selvidge Middle
How many students attend Selvidge Middle?
Selvidge Middle has 583 students enrolled. It is a middle school in Ballwin, MO.
What is the student-teacher ratio at Selvidge Middle?
The student-teacher ratio at Selvidge Middle is 12.1:1, which is 5% lower than the Missouri average of 12.8:1 and 23% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
What percentage of students receive free lunch at Selvidge Middle?
13.1% of students at Selvidge Middle are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Selvidge Middle?
The largest demographic group at Selvidge Middle is White at 61.1% of enrollment, in Ballwin, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 57.7/100.
What is the Resource Investment Index for Selvidge Middle?
Selvidge Middle has a Resource Investment Index of 57/100 (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 Selvidge Middle rank among public schools in Ballwin?
By Resource Investment Index, Selvidge Middle ranks #5 of 12 public schools in Ballwin, 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 Ballwin on the city page.
Is Selvidge Middle a good school?
Selvidge Middle earns 57/100 on the Resource Investment Index, with class sizes near the Missouri median. It is also more racially and ethnically mixed than most 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 Rockwood R-Vi?
Besides Selvidge Middle, Rockwood R-Vi also operates Marquette Sr. High (2,095 students), Lafayette Sr. High (1,669 students), and Eureka Sr. High (1,586 students). See the Rockwood R-Vi 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.