Enrollment
667
Missouri · 2024-25 NCES data
Other / mixed grade configuration · St Ann, MO
Federal NCES profile for Robert Drummond Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 48/100.
The verdict
Robert Drummond Elem. earns 48/100 on the Resource Investment Index, with class sizes near the Missouri median. It is also more racially and ethnically mixed than most Missouri schools.
Robert Drummond Elem. has class sizes near the Missouri median. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Robert Drummond Elem. ranks #3 of 4 public schools in St Ann, MO.
NCES ID 292370002848 Verify on NCES CCD record →
Enrollment
667
Missouri · 2024-25 NCES data
Teachers (FTE)
48.0
Federal CCD staff survey
Students per teacher
13.9:1
vs 12.8:1 Missouri avg
+9% vs state
Free-lunch eligible
49.7%
vs 46.1% Missouri avg
+8% vs state
How Robert Drummond Elem. compares with Missouri and U.S. medians
Slightly above state median
13.9:1 - 1.1 above the Missouri state median of 12.8:1, indicating larger average class loads than typical schools in the state.
Robert Drummond Elem. is a large combined-grade school in St Ann, Missouri, enrolling 667 students.
Class loads run somewhat heavier than typical: 13.9:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Economic need runs somewhat above the state's typical profile, with 49.7% of students eligible for free meals.
Enrollment of 667 puts it in the larger third of Missouri schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 223 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #88.
Its student body is led by African American (42%) and White (24%), more mixed than most schools in the state (diversity index 71/100).
Counselor availability sits well past the ASCA benchmark, roughly 334 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.
The surrounding Pattonville R-Iii spends $16,234 per pupil, 26% above the Missouri average, a better-resourced district than most.
Pattonville R-Iii also operates Pattonville Sr. High (1,945 students) and Pattonville Heights Middle (680 students) alongside Robert Drummond 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
Robert Drummond 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 | 13.9:1 | ▲ 9% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 49.7% | ▲ 8% | 46.1% | 51.7% |
| Enrollment | 667 | top 12% | - | - |
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: African American at 42.1% of enrollment.
Simpson diversity index - at 71.3, Robert Drummond Elem. is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for Pattonville R-Iii, which includes Robert Drummond 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 |
|---|---|---|---|
| Pattonville Sr. High | Larger | Lower economic need | Higher S:T ratio |
| Pattonville Heights Middle | Similar size | Lower economic need | Similar S:T ratio |
| Holman Middle | Similar size | Lower economic need | Similar S:T ratio |
| Willow Brook Elem. | Smaller | Lower economic need | Lower S:T ratio |
| Bridgeway Elem. | Smaller | Lower economic need | Lower S:T ratio |
Comparisons are relative to Robert Drummond 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 Robert Drummond 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.
Robert Drummond Elem. has 667 students enrolled. It is a public school in St Ann, MO.
The student-teacher ratio at Robert Drummond Elem. is 13.9:1, which is 9% higher than the Missouri average of 12.8:1 and 11% lower than the national average of 15.7:1.
49.7% of students at Robert Drummond Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Robert Drummond Elem. is African American at 42.1% of enrollment, in St Ann, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 71.3/100.
Robert Drummond Elem. has a Resource Investment Index of 48/100 (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, Robert Drummond Elem. ranks #3 of 4 public schools in St Ann, 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 St Ann on the city page.
Robert Drummond Elem. earns 48/100 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 Robert Drummond Elem., Pattonville R-Iii also operates Pattonville Sr. High (1,945 students), Pattonville Heights Middle (680 students), and Holman Middle (639 students). See the Pattonville 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, “Robert Drummond Elem., St Ann 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/robert-drummond-elem-mo
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