Enrollment
366
Missouri · 2024-25 NCES data
Elementary school (grades K-5) · St Charles, MO
Federal NCES profile for Monroe Elem., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 55/100.
The verdict
Monroe Elem. earns 55/100 on the Resource Investment Index, with class sizes smaller than 86% of Missouri schools. It is also more racially and ethnically mixed than most Missouri schools.
Monroe Elem. has class sizes smaller than 86% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Monroe Elem. ranks #7 of 9 elementary schools in St Charles, MO.
NCES ID 292892001846 Verify on NCES CCD record →
Enrollment
366
Missouri · 2024-25 NCES data
Teachers (FTE)
40.0
Federal CCD staff survey
Students per teacher
9.2:1
vs 12.8:1 Missouri avg
-28% vs state
Free-lunch eligible
45.4%
vs 46.1% Missouri avg
-2% vs state
How Monroe Elem. compares with Missouri and U.S. medians
Smaller classes than state median
9.2:1 - 3.6 below the Missouri state median of 12.8:1, indicating smaller average class loads than typical schools in the state.
Monroe Elem. is a mid-sized elementary school in St Charles, Missouri, enrolling 366 students.
Classes run notably small here: at 9.2:1, Monroe Elem. is leaner than roughly 86% of Missouri schools and 28% under the state's 12.8:1 norm, more adult attention per pupil than most peers.
Economic need runs somewhat above the state's typical profile, with 45.4% of students eligible for free meals.
With 366 students, its enrollment sits close to the Missouri median campus size.
Its Resource Investment Index lands in the upper third of 2,313 scored Missouri schools.
Against 477 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #89.
Its student body is led by White (64%) and Hispanic or Latino (16%), more mixed than most schools in the state (diversity index 55/100).
Counselor availability sits well past the ASCA benchmark, roughly 366 students sharing each counselor, though short of the most stretched campuses.
16.1% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
The surrounding St. Charles R-Vi spends $17,118 per pupil, 32% above the Missouri average, a better-resourced district than most.
St. Charles R-Vi also operates St. Charles High (782 students) and Jefferson Intermediate School (706 students) alongside Monroe 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
Monroe 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 | 9.2:1 | ▼ 28% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 45.4% | ▼ 2% | 46.1% | 51.7% |
| Enrollment | 366 | top 41% | - | - |
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 63.9% of enrollment.
Simpson diversity index - at 54.6, Monroe Elem. is more mixed than the Missouri school average of 31.0.
District-wide per-pupil expenditure for St. Charles R-Vi, which includes Monroe 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 |
|---|---|---|---|
| St. Charles High | Larger | Lower economic need | Higher S:T ratio |
| Jefferson Intermediate School | Larger | Similar economic need | Higher S:T ratio |
| Hardin Middle | Larger | Lower economic need | Higher S:T ratio |
| St. Charles West High | Larger | Lower economic need | Higher S:T ratio |
| Harris Elem. | Similar size | Lower economic need | Similar S:T ratio |
Comparisons are relative to Monroe 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 Monroe 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.
Monroe Elem. has 366 students enrolled. It is an elementary school in St Charles, MO.
The student-teacher ratio at Monroe Elem. is 9.2:1, which is 28% lower than the Missouri average of 12.8:1 and 41% lower than the national average of 15.7:1. Lower ratios generally mean more individual attention per student.
45.4% of students at Monroe Elem. are eligible for free lunch, compared to the Missouri average of 46.1%.
The largest demographic group at Monroe Elem. is White at 63.9% of enrollment, in St Charles, MO. Its student body is more racially and ethnically mixed than most US schools, with a diversity index of 54.6/100.
Monroe Elem. has a Resource Investment Index of 55/100 (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).
By Resource Investment Index, Monroe Elem. ranks #7 of 9 elementary schools in St Charles, 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 St Charles on the city page.
Monroe Elem. earns 55/100 on the Resource Investment Index, with class sizes smaller than 86% of Missouri schools. 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 Monroe Elem., St. Charles R-Vi also operates St. Charles High (782 students), Jefferson Intermediate School (706 students), and Hardin Middle (676 students). See the St. Charles 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, “Monroe Elem., St Charles 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/monroe-elem-mo
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