Enrollment
741
Missouri · 2024-25 NCES data
Other / mixed grade configuration · St Louis, MO
Mesnier Primary Sch.
Federal NCES profile for Mesnier Primary Sch., including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 49/100.
2024-25 NCES dataOther / mixed grade configurationNCES 290291000007
👥 S:T ratio 40
🌟 Gifted program 70
🎓 Counselors 26
📋 Attendance 61
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Mesnier Primary Sch. earns 49/100 on the Resource Investment Index, with class sizes larger than 80% of Missouri schools.
- #10 of 65
- schools in St Louis · Resource Index
- 49
- Resource Index · Higher
- 15.1:1
- large classes for Missouri
- 25.0%
- free-lunch eligible
Mesnier Primary Sch. has class sizes larger than 80% of Missouri schools. Computed live against every Missouri school reporting to NCES.
By Resource Investment Index, Mesnier Primary Sch. ranks #10 of 65 schools in St Louis, MO.
School address
Teachers (FTE)
49.0
Federal CCD staff survey
Students per teacher
15.1:1
vs 12.8:1 Missouri avg
+18% vs state
Free-lunch eligible
25.0%
vs 46.1% Missouri avg
-46% vs state
Student-teacher ratio in context
How Mesnier Primary Sch. compares with Missouri and U.S. medians
What stands out at Mesnier Primary Sch.
Mesnier Primary Sch. is a large combined-grade school in St Louis, Missouri, enrolling 741 students.
Class loads run somewhat heavier than typical: 15.1:1 puts it in the larger third of Missouri schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 25.0% of students eligible for free meals.
By headcount it is one of the larger campuses in Missouri, bigger than 91% of state schools at 741 students.
Its Resource Investment Index sits near the middle of the pack among 2,313 scored Missouri schools.
Against 299 statewide peers matched on enrollment and economic need, it ranks mid-pack at #123.
Its student body is led by White (69%) and Two or More (10%) (diversity index 50/100).
Counselor availability sits well past the ASCA benchmark, roughly 371 students sharing each counselor, though short of the most stretched campuses.
15.5% of students were chronically absent in the 2021-22 collection, in line with the post-pandemic national range.
Affton 101 also operates Affton High (761 students) and Gotsch Intermediate Sch. (562 students) alongside Mesnier Primary Sch..
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 Mesnier Primary Sch. compares
Mesnier Primary Sch. on the metrics families compare, against Missouri and U.S. means.
| Metric | This school | vs Missouri | Missouri avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.1:1 | ▲ 18% | 12.8:1 | 15.7:1 |
| Free-lunch eligible | 25.0% | ▼ 46% | 46.1% | 51.7% |
| Enrollment | 741 | top 9% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.1:1
Leaner classes than 46% of US schools, a middle-of-the-pack class size.
741
Bigger than 83% of US schools by enrollment, a large campus nationally.
Equity indicators (what these measure)
Economic need
25.0%
free-lunch eligible
- 46% 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
15.1:1
students per teacher
- 18% above state mean
Top 80% in Missouri - lower ratio than 20% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
15.5%
chronically absent (missed 10%+ of school days)
In the 15-20% range, nearing the "high" absenteeism threshold.
Funding equity
$11,725
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
Counselors2.0 FTE
Per 371 students, the combined health-and-guidance staffing load for this school.
Discipline context
14
in-school suspensions + 14 out-of-school
Suspension rate: 1.9 per 100 students. Combined in-school and out-of-school rate: 3.8 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 69.1%
Two or More 9.7%
Hispanic or Latino 8.5%
African American 6.3%
Asian 6.2%
American Indian / Alaska Native 0.1%
Largest group: White at 69.1% of enrollment.
Student-body diversity index 49.8/100
Simpson diversity index - at 49.8, Mesnier Primary Sch. is more mixed than the Missouri school average of 31.0.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for Affton 101, which includes Mesnier Primary Sch..
$11,725
Per student
-9%
vs Missouri
Avg $12,931
-29%
vs U.S.
Avg $16,593
Revenue mix
Local 77.7%
State 12.6%
Federal 9.7%
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 Mesnier Primary Sch. Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Affton High | Similar size | Similar economic need | Similar S:T ratio |
| Gotsch Intermediate Sch. | Similar size | Similar economic need | Lower S:T ratio |
| Rogers Middle | Smaller | Similar economic need | Similar S:T ratio |
Comparisons are relative to Mesnier Primary Sch.'s own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 761
- Students per teacher
- 15.2:1
- Resource Index
- 39/100
- Enrollment
- 562
- Students per teacher
- 13.4:1
- Resource Index
- 49/100
- Enrollment
- 555
- Students per teacher
- 14.2:1
- Resource Index
- 43/100
Similar other 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 (~741 students)
Similar student-teacher ratio (~15.1:1)
Next steps
Verify locally before acting on Mesnier Primary Sch.'s federal record.
- Compare Mesnier Primary Sch. against another school. Compare schools
- Affton 101'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 Mesnier Primary Sch.
How many students attend Mesnier Primary Sch.?
Mesnier Primary Sch. has 741 students enrolled. It is a public school in St Louis, MO.
What is the student-teacher ratio at Mesnier Primary Sch.?
The student-teacher ratio at Mesnier Primary Sch. is 15.1:1, which is 18% higher than the Missouri average of 12.8:1 and 4% lower than the national average of 15.7:1.
What percentage of students receive free lunch at Mesnier Primary Sch.?
25.0% of students at Mesnier Primary Sch. are eligible for free lunch, compared to the Missouri average of 46.1%.
What is the racial and ethnic makeup of Mesnier Primary Sch.?
The largest demographic group at Mesnier Primary Sch. is White at 69.1% of enrollment, in St Louis, MO.
What is the Resource Investment Index for Mesnier Primary Sch.?
Mesnier Primary Sch. has a Resource Investment Index of 49/100 (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 Mesnier Primary Sch. rank among schools in St Louis?
By Resource Investment Index, Mesnier Primary Sch. ranks #10 of 65 schools in St Louis, MO. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in St Louis on the city page.
Is Mesnier Primary Sch. a good school?
Mesnier Primary Sch. earns 49/100 on the Resource Investment Index, with class sizes larger than 80% 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 Affton 101?
Besides Mesnier Primary Sch., Affton 101 also operates Affton High (761 students), Gotsch Intermediate Sch. (562 students), and Rogers Middle (555 students). See the Affton 101 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.