Enrollment
422
Louisiana · 2024-25 NCES data
Other / mixed grade configuration · Mandeville, LA
Marigny Elementary School
Federal NCES profile for Marigny Elementary School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 53/100.
2024-25 NCES dataOther / mixed grade configurationNCES 220165002256
👥 S:T ratio 38
🌟 Gifted program 70
🎓 Counselors 16
📋 Attendance 88
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Marigny Elementary School earns 53/100 on the Resource Investment Index, with class sizes near the Louisiana median.
- #2 of 4
- schools in Mandeville · Resource Index
- 53
- Resource Index · Higher
- 15.6:1
- students per teacher
- 28.3%
- free-lunch eligible
Marigny Elementary School has class sizes near the Louisiana median. Computed live against every Louisiana school reporting to NCES.
By Resource Investment Index, Marigny Elementary School ranks #2 of 4 schools in Mandeville, LA.
School address
District: St. Tammany Parish · Louisiana
NCES ID 220165002256 Verify on NCES CCD record →
Teachers (FTE)
27.0
Federal CCD staff survey
Students per teacher
15.6:1
vs 16.8:1 Louisiana avg
-7% vs state
Free-lunch eligible
28.3%
vs 62.5% Louisiana avg
-55% vs state
Student-teacher ratio in context
How Marigny Elementary School compares with Louisiana and U.S. medians
What stands out at Marigny Elementary School
Marigny Elementary School is a mid-sized combined-grade school in Mandeville, Louisiana, enrolling 422 students.
At 15.6:1, its student-teacher ratio sits close to the Louisiana median, within a few percentage points of the 16.8:1 state norm, neither notably crowded nor notably small.
Comparatively few students face economic hardship here, 28.3% free-meal eligibility runs 55% below the Louisiana average.
With 422 students, its enrollment sits close to the Louisiana median campus size.
Its Resource Investment Index lands in the upper third of 1,330 scored Louisiana schools.
Against 85 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #31.
Its student body is led by White (69%) and Hispanic or Latino (13%) (diversity index 49/100).
Counselor access is stretched at roughly 422 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 4.7% of students were chronically absent, below the typical post-pandemic national figure.
Among Mandeville's public schools, it stands alongside Pontchartrain Elementary School (636 students): Marigny Elementary School is smaller than that campus by headcount and runs heavier classes (15.6:1 vs 14.1:1).
St. Tammany Parish also operates Mandeville High School (2,006 students) and Slidell High School (1,654 students) alongside Marigny Elementary School.
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 Marigny Elementary School compares
Marigny Elementary School on the metrics families compare, against Louisiana and U.S. means.
| Metric | This school | vs Louisiana | Louisiana avg | U.S. avg |
|---|---|---|---|---|
| Students per teacher | 15.6:1 | ▼ 7% | 16.8:1 | 15.7:1 |
| Free-lunch eligible | 28.3% | ▼ 55% | 62.5% | 51.7% |
| Enrollment | 422 | top 52% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
15.6:1
Leaner classes than 41% of US schools, a middle-of-the-pack class size.
422
Bigger than 51% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
28.3%
free-lunch eligible
- 55% below the Louisiana average of 62.5%
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
15.6:1
students per teacher
- 7% below state mean
Top 43% in Louisiana - lower ratio than 57% of state schools
Close to the 15:1 benchmark most often cited for individualized attention.
Engagement
4.7%
chronically absent (missed 10%+ of school days)
Below 5%, comfortably under the pre-pandemic national baseline for chronic absenteeism.
Funding equity
$14,024
per pupil, district-wide
- below Louisiana avg of $16,376
Somewhat below the U.S. average per-pupil spend; funding constraints may affect programs, facilities, and staffing.
Support staff
Counselors1.0 FTE
Per 422 students, the combined health-and-guidance staffing load for this school.
Discipline context
0
in-school suspensions + 0 out-of-school
Suspension rate: 0.0 per 100 students. Combined in-school and out-of-school rate: 0.0 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 69.0%
Hispanic or Latino 13.3%
African American 10.9%
Two or More 5.7%
Asian 0.9%
Native Hawaiian / Pacific Islander 0.2%
Largest group: White at 69.0% of enrollment.
Student-body diversity index 49.1/100
Simpson diversity index - at 49.1, Marigny Elementary School is more mixed than the Louisiana school average of 43.9.
Programs
Gifted & talented Yes
Funding & spending
District-wide per-pupil expenditure for St. Tammany Parish, which includes Marigny Elementary School.
$14,024
Per student
-14%
vs Louisiana
Avg $16,376
-15%
vs U.S.
Avg $16,593
Revenue mix
Local 51.9%
State 38.3%
Federal 9.8%
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 Marigny Elementary School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mandeville High School | Larger | Lower economic need | Higher S:T ratio |
| Slidell High School | Larger | Higher economic need | Higher S:T ratio |
| Covington High School | Larger | Higher economic need | Higher S:T ratio |
| Northshore High School | Larger | Similar economic need | Higher S:T ratio |
| Joseph B. Lancaster Elementary School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Marigny Elementary School's own figures; each column derives from NCES Common Core of Data.
Other Schools in This District
- Enrollment
- 2,006
- Students per teacher
- 19.1:1
- Resource Index
- 47/100
- Enrollment
- 1,654
- Students per teacher
- 17.8:1
- Resource Index
- 42/100
- Enrollment
- 1,600
- Students per teacher
- 19.5:1
- Resource Index
- 35/100
- Enrollment
- 1,518
- Students per teacher
- 18.5:1
- Resource Index
- 49/100
- Enrollment
- 1,480
- Students per teacher
- 21.1:1
- Resource Index
- 45/100
Similar other schools in Mandeville
3 comparable other schools (grades Mixed) serving the same city.
Similar other schools statewide
Matched by enrollment size and by staffing ratio across all of Louisiana, not just this city - a different peer set than the local comparisons above.
Similar enrollment (~422 students)
Similar student-teacher ratio (~15.6:1)
Next steps
Verify locally before acting on Marigny Elementary School's federal record.
- Compare Marigny Elementary School against another school. Compare schools
- St. Tammany Parish'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 Marigny Elementary School
How many students attend Marigny Elementary School?
Marigny Elementary School has 422 students enrolled. It is a public school in Mandeville, LA.
What is the student-teacher ratio at Marigny Elementary School?
The student-teacher ratio at Marigny Elementary School is 15.6:1, which is 7% lower than the Louisiana average of 16.8:1 and 1% 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 Marigny Elementary School?
28.3% of students at Marigny Elementary School are eligible for free lunch, compared to the Louisiana average of 62.5%.
What is the racial and ethnic makeup of Marigny Elementary School?
The largest demographic group at Marigny Elementary School is White at 69.0% of enrollment, in Mandeville, LA.
What is the Resource Investment Index for Marigny Elementary School?
Marigny Elementary School has a Resource Investment Index of 53/100 (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 Marigny Elementary School rank among schools in Mandeville?
By Resource Investment Index, Marigny Elementary School ranks #2 of 4 schools in Mandeville, LA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all schools in Mandeville on the city page.
Is Marigny Elementary School a good school?
Marigny Elementary School earns 53/100 on the Resource Investment Index, with class sizes near the Louisiana median. 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 St. Tammany Parish?
Besides Marigny Elementary School, St. Tammany Parish also operates Mandeville High School (2,006 students), Slidell High School (1,654 students), and Covington High School (1,600 students). See the St. Tammany Parish 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.