Enrollment
582
Louisiana · 2024-25 NCES data
Elementary school (grades K-5) · Mandeville, LA
Lake Harbor Middle School
Federal NCES profile for Lake Harbor Middle School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
2024-25 NCES dataElementary school (grades K-5)NCES 220165001535
👥 S:T ratio 20
🌟 Gifted program 70
🎓 Counselors 0
📋 Attendance 96
Scored 0–100 from federal NCES and CRDC indicators, resource allocation, not test scores. Full methodology →
The verdict
Lake Harbor Middle School earns 46/100 on the Resource Investment Index, with class sizes larger than 84% of Louisiana schools.
- #3 of 4
- elementary schools in Mandeville · Resource Index
- 46
- Resource Index · Typical
- 20.1:1
- large classes for Louisiana
- 19.9%
- free-lunch eligible
Lake Harbor Middle School has class sizes larger than 84% of Louisiana schools. Computed live against every Louisiana school reporting to NCES.
By Resource Investment Index, Lake Harbor Middle School ranks #3 of 4 elementary schools in Mandeville, LA.
School address
District: St. Tammany Parish · Louisiana
NCES ID 220165001535 Verify on NCES CCD record →
Teachers (FTE)
29.0
Federal CCD staff survey
Students per teacher
20.1:1
vs 16.8:1 Louisiana avg
+20% vs state
Free-lunch eligible
19.9%
vs 62.5% Louisiana avg
-68% vs state
Student-teacher ratio in context
How Lake Harbor Middle School compares with Louisiana and U.S. medians
What stands out at Lake Harbor Middle School
Lake Harbor Middle School is a lower-poverty, mid-sized elementary school in Mandeville, Louisiana, enrolling 582 students.
Class loads run somewhat heavier than typical: 20.1:1 puts it in the larger third of Louisiana schools by student-teacher ratio.
Comparatively few students face economic hardship here, 19.9% free-meal eligibility runs 68% below the Louisiana average.
Enrollment of 582 puts it in the larger third of Louisiana schools by headcount.
Its Resource Investment Index sits near the middle of the pack among 1,330 scored Louisiana schools.
Against 58 statewide peers matched on enrollment and economic need, it ranks mid-pack at #32.
Its student body is led by White (77%) and African American (10%) (diversity index 39/100).
Counselor access is stretched at roughly 582 students per counselor, well above the ASCA-recommended 250:1 ceiling.
Attendance holds up well here: only 1.7% of students were chronically absent, below the typical post-pandemic national figure.
Among Mandeville's elementary schools, it stands alongside Tchefuncte Middle School (682 students): Lake Harbor Middle School is smaller than that campus by headcount and runs heavier classes (20.1:1 vs 18.9:1).
St. Tammany Parish also operates Mandeville High School (2,006 students) and Slidell High School (1,654 students) alongside Lake Harbor Middle 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 Lake Harbor Middle School compares
Lake Harbor Middle 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 | 20.1:1 | ▲ 20% | 16.8:1 | 15.7:1 |
| Free-lunch eligible | 19.9% | ▼ 68% | 62.5% | 51.7% |
| Enrollment | 582 | top 29% | - | - |
Source: NCES Common Core of Data School-level CCD + state/national means from Public School Universe · 2024-25
20.1:1
Leaner classes than 16% of US schools, heavier class loads than most.
582
Bigger than 71% of US schools by enrollment, mid-sized for the country.
Equity indicators (what these measure)
Economic need
19.9%
free-lunch eligible
- 68% 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
20.1:1
students per teacher
- 20% above state mean
Top 84% in Louisiana - lower ratio than 16% of state schools
Above 20:1, running heavier than the typical U.S. public school; staffing is comparatively stretched.
Engagement
1.7%
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 582 students, the combined health-and-guidance staffing load for this school.
Discipline context
19
in-school suspensions + 13 out-of-school
Suspension rate: 3.3 per 100 students. Combined in-school and out-of-school rate: 5.5 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 77.1%
African American 10.0%
Hispanic or Latino 7.2%
Two or More 3.8%
Asian 1.2%
American Indian / Alaska Native 0.3%
Native Hawaiian / Pacific Islander 0.3%
Largest group: White at 77.1% of enrollment.
Student-body diversity index 38.9/100
Simpson diversity index - at 38.9, Lake Harbor Middle School is less 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 Lake Harbor Middle 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 Lake Harbor Middle School Compares to District-Mates
| School | Enrollment | Economic Profile | Student-Teacher Ratio |
|---|---|---|---|
| Mandeville High School | Larger | Similar economic need | Similar S:T ratio |
| Slidell High School | Larger | Higher economic need | Lower S:T ratio |
| Covington High School | Larger | Higher economic need | Similar S:T ratio |
| Northshore High School | Larger | Similar economic need | Lower S:T ratio |
| Joseph B. Lancaster Elementary School | Larger | Similar economic need | Similar S:T ratio |
Comparisons are relative to Lake Harbor Middle 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 elementary schools in Mandeville
3 comparable elementary schools (grades K-5) serving the same city.
Similar elementary 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 (~582 students)
Similar student-teacher ratio (~20.1:1)
Next steps
Verify locally before acting on Lake Harbor Middle School's federal record.
- Compare Lake Harbor Middle 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 Lake Harbor Middle School
How many students attend Lake Harbor Middle School?
Lake Harbor Middle School has 582 students enrolled. It is an elementary school in Mandeville, LA.
What is the student-teacher ratio at Lake Harbor Middle School?
The student-teacher ratio at Lake Harbor Middle School is 20.1:1, which is 20% higher than the Louisiana average of 16.8:1 and 28% higher than the national average of 15.7:1.
What percentage of students receive free lunch at Lake Harbor Middle School?
19.9% of students at Lake Harbor Middle School are eligible for free lunch, compared to the Louisiana average of 62.5%.
What is the racial and ethnic makeup of Lake Harbor Middle School?
The largest demographic group at Lake Harbor Middle School is White at 77.1% of enrollment, in Mandeville, LA.
What is the Resource Investment Index for Lake Harbor Middle School?
Lake Harbor Middle School has a Resource Investment Index of 46/100 (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).
How does Lake Harbor Middle School rank among elementary schools in Mandeville?
By Resource Investment Index, Lake Harbor Middle School ranks #3 of 4 elementary 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 elementary schools in Mandeville on the city page.
Is Lake Harbor Middle School a good school?
Lake Harbor Middle School earns 46/100 on the Resource Investment Index, with class sizes larger than 84% of Louisiana 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 St. Tammany Parish?
Besides Lake Harbor Middle 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.