Enrollment
1,091
Louisiana · 2024-25 NCES data
High school (grades 9-12) · Slidell, LA
Federal NCES profile for Salmen High School, including enrollment, faculty, free-lunch eligibility, demographics, and resource indicators - Resource Investment Index 46/100.
The verdict
Salmen High School earns 46/100 on the Resource Investment Index, with class sizes larger than 77% of Louisiana schools.
Salmen High School has class sizes larger than 77% of Louisiana schools. Computed live against every Louisiana school reporting to NCES.
By Resource Investment Index, Salmen High School ranks #2 of 3 high schools in Slidell, LA.
NCES ID 220165001292 Verify on NCES CCD record →
Enrollment
1,091
Louisiana · 2024-25 NCES data
Teachers (FTE)
58.0
Federal CCD staff survey
Students per teacher
18.8:1
vs 16.8:1 Louisiana avg
+12% vs state
Free-lunch eligible
55.1%
vs 62.5% Louisiana avg
-12% vs state
How Salmen High School compares with Louisiana and U.S. medians
Slightly above state median
18.8:1 - 2.0 above the Louisiana state median of 16.8:1, indicating larger average class loads than typical schools in the state.
Salmen High School is a higher-need, large high school in Slidell, Louisiana, enrolling 1,091 students.
Class loads run somewhat heavier than typical: 18.8:1 puts it in the larger third of Louisiana schools by student-teacher ratio.
Economic need runs somewhat below the state's typical profile, with 55.1% of students eligible for free meals.
By headcount it is one of the larger campuses in Louisiana, bigger than 94% of state schools at 1,091 students.
Its Resource Investment Index sits near the middle of the pack among 1,330 scored Louisiana schools.
Against 146 statewide peers matched on enrollment and economic need, it ranks in the upper tier at #39.
Its student body is led by African American (69%) and White (15%) (diversity index 49/100).
On the academic-pipeline side it reports 8 Advanced Placement courses.
Counselor coverage runs a bit thin, about 273 students per counselor, somewhat past the ASCA-recommended 250:1 benchmark.
Attendance runs somewhat below the norm, with 19.8% of students chronically absent per the 2021-22 civil-rights collection.
Discipline events run high: 450 in- and out-of-school suspensions were reported for 1,091 students in the 2021-22 Civil Rights Data Collection.
The federal civil-rights collection also records 49 expulsions at this campus for 2021-22.
Among Slidell's high schools, it stands alongside Slidell High School (1,654 students): Salmen High School is smaller than that campus by headcount and runs heavier classes (18.8:1 vs 17.8:1).
St. Tammany Parish also operates Mandeville High School (2,006 students) and Slidell High School (1,654 students) alongside Salmen High 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
Salmen High 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 | 18.8:1 | ▲ 12% | 16.8:1 | 15.7:1 |
| Free-lunch eligible | 55.1% | ▼ 12% | 62.5% | 51.7% |
| Enrollment | 1,091 | top 6% | - | - |
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 68.8% of enrollment.
Simpson diversity index - at 49.4, Salmen High School is more mixed than the Louisiana school average of 43.9.
District-wide per-pupil expenditure for St. Tammany Parish, which includes Salmen High School.
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 |
|---|---|---|---|
| Mandeville High School | Larger | Lower economic need | Similar S:T ratio |
| Slidell High School | Larger | Lower economic need | Similar S:T ratio |
| Covington High School | Larger | Lower economic need | Similar S:T ratio |
| Northshore High School | Larger | Lower economic need | Similar S:T ratio |
| Joseph B. Lancaster Elementary School | Larger | Lower economic need | Higher S:T ratio |
Comparisons are relative to Salmen High School's own figures; each column derives from NCES Common Core of Data.
2 comparable high schools (grades 9-12) serving the same city.
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.
Next steps
Verify locally before acting on Salmen High School'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.
Salmen High School has 1,091 students enrolled. It is a high school in Slidell, LA.
The student-teacher ratio at Salmen High School is 18.8:1, which is 12% higher than the Louisiana average of 16.8:1 and 20% higher than the national average of 15.7:1.
55.1% of students at Salmen High School are eligible for free lunch, compared to the Louisiana average of 62.5%.
The largest demographic group at Salmen High School is African American at 68.8% of enrollment, in Slidell, LA.
Salmen High School has a Resource Investment Index of 46/100 (typical reported resources relative to schools nationally) based on 5 factors: student-teacher ratio, AP course offerings, counselor availability, attendance rates. Not a test-score or academic measure (national median ~41/100, see methodology).
By Resource Investment Index, Salmen High School ranks #2 of 3 high schools in Slidell, LA. This compares federal resource and staffing data among local peers; it is not a test-score or academic ranking. See all high schools in Slidell on the city page.
Salmen High School earns 46/100 on the Resource Investment Index, with class sizes larger than 77% 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.
Besides Salmen High 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.
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, “Salmen High School, Slidell LA.” 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/salmen-high-school-la
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