Enrollment
397
Missouri · 2024-25 NCES data
Elementary school (grades K-5) · Ballwin, MO
Federal NCES profile for Westridge Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 45/100.
The verdict
Westridge Elem. earns 45/100 on the Resource Investment Index, with class sizes near the Missouri median. It is also more racially and ethnically mixed than most Missouri schools.
Westridge Elem. has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Westridge Elem. ranks #8 of 9 elementary schools in Ballwin, MO.
NCES ID 292685001628 Verify on NCES CCD record →
Enrollment
397
Missouri · 2024-25 NCES data
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
13.7:1
vs 12.8:1 Missouri avg
+7% vs state
Free-lunch eligible
15.3%
vs 46.1% Missouri avg
-67% vs state
How Westridge Elem. compares with Missouri and U.S. medians
Slightly above state median
13.7:1 - 0.9 above the Missouri state median of 12.8:1, indicating larger average class loads than typical schools in the state.
Westridge Elem. is a lower-poverty, mid-sized elementary school in Ballwin, Missouri, enrolling 397 students.
Class loads run somewhat heavier than typical: 13.7:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Comparatively few students face economic hardship here, 15.3% free-meal eligibility runs 67% below the Missouri average.
Enrollment of 397 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index lands in the lower third of 2,313 scored Missouri schools.
Among 327 similarly sized, similarly resourced-need Missouri schools statewide, it ranks #252, in the lower tier once campus size and economic need are matched.
Its student body is led by White (63%) and Asian (13%), more mixed than most schools in the state (diversity index 57/100).
Counselor availability sits well past the ASCA benchmark, roughly 397 students sharing each counselor, though short of the most stretched campuses.
Attendance runs somewhat below the norm, with 21.7% 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 Westridge Elem..
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
Westridge Elem. on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 13.7:1 | ▲ 7% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 15.3% | ▼ 67% | 46.1% | 51.7% |
| Enrollment | 397 | top 35% | - | - |
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 63.0% of enrollment.
Simpson diversity index - at 56.5, Westridge Elem. is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for Rockwood R-Vi, which includes Westridge Elem..
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 |
|---|---|---|---|
| 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 | Similar S:T ratio |
Comparisons are relative to Westridge Elem.'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 Westridge Elem.'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.
Westridge Elem. has 397 students enrolled. It is an elementary school in Ballwin, MO.
The student-teacher ratio at Westridge Elem. is 13.7:1, which is 7% higher than the Missouri average of 12.8:1 and 13% lower than the national average of 15.7:1.
15.3% of students at Westridge Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Westridge Elem. is White at 63.0% of enrollment, in Ballwin, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 56.5/100.
Westridge Elem. has a Resource Investment Index of 45/100 (typical 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).
By Resource Investment Index, Westridge Elem. ranks #8 of 9 elementary 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 elementary schools in Ballwin on the city page.
Westridge Elem. earns 45/100 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.
Besides Westridge Elem., 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.
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, “Westridge Elem., Ballwin 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/westridge-elem-mo-2
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