At a glance
Reported students
1,654
NCES CCD 2024–25
Teachers (FTE)
116.08
NCES CCD 2024–25
Student–teacher ratio
14.2:1
Calculated; not a class-size measure
Grades served
09–12
NCES preliminary directory 2025–26
School benchmarks
Louisiana high enrollment
93rd percentile
Compared with 274 same-level schools reporting enrollment.
District median enrollment
582
Slidell High School: 1,654 reported students.
State peer staffing position
51st percentile
14.2:1 reported; state peer median 14.2:1. Ratio is not class size.
Historical enrollment and staffing · CRDC 2021–22
These older figures are kept separate from 2024–25 statistics and benchmarks. Differences between years can reflect changes in enrollment, staffing, or reporting scope.
- Students
- 1,738
- Teachers (FTE)
- 90.23
- Student–teacher ratio
- 19.3:1
What the reported data says about Slidell High School
Slidell High School is a public high school serving grades 09–12 in Slidell. It is one of 55 current school records connected to St. Tammany Parish. NCES reports 1,654 students for 2024–25.
Among 274 high schools in Louisiana with comparable records, this school is larger than the reported median of 575 students. Its enrollment is at approximately the 93rd percentile for that peer group. Size describes the campus, not instructional quality.
The reported student–teacher ratio is 14.2:1, close to the Louisiana median of 14.2:1 for the same school level. This ratio uses total enrollment and teacher FTE; it is not an average classroom headcount and can be affected by special programs or part-time staffing.
The largest reported race and ethnicity groups are White (45.1%) and Black (37.1%). English learners represent 2.4% of enrollment. Students served under IDEA represent 17.1%. These figures help families understand who the school serves; they are not rating inputs.
The 2021–22 civil-rights collection reports AP student enrollment, gifted and talented programming, computer science. The school reported 2 AP courses. Program availability changes, so families should confirm the current catalog and participation rules directly with the school.
Questions worth asking Slidell High School
- 1How do the reported 14.2:1 student–teacher ratio and 116.08 teacher FTE translate into actual class sizes by grade?
- 2Have the reported academic programs changed since the 2021–22 CRDC collection?
- 3What counseling support is available today? The school reported 4 counselor FTE in 2021–22.
- 4Does community eligibility provide breakfast and lunch to every enrolled student, and are summer meals available?
Enrollment needs
- English learners
- 2.4%
- Students with disabilities
- 17.1%
- Free/reduced-price lunch
- 52.3%
- Lunch program
- Yes under Community Eligibility Option (CEO)
Reported support staff
- Counselors (FTE)
- 4
- Nurses (FTE)
- 1
- Psychologists (FTE)
- 1
- Social workers (FTE)
- 1
CRDC 2021–22 full-time-equivalent counts; verify current assignments with the school.
Student demographics
Race and ethnicity share of reported enrollment
- White45.1%
- Hispanic10.3%
- Black37.1%
- Asian1%
- American Indian / Alaska Native0.5%
- Native Hawaiian / Pacific Islander0.2%
- Multiracial5.8%
Race/ethnicity: NCES CCD 2024–25. English learner and disability context: CRDC 2021–22. Lunch eligibility: NCES CCD 2024–25. Privacy rules can produce missing values.
Programs reported by the school
AP student enrollment
Students enrolled
2 distinct courses reported
Gifted and talented
Offered
Computer science
Offered
CRDC 2021–22: the AP flag records student enrollment; gifted and computer-science fields describe reported programs/classes. Confirm current courses and eligibility with the school.
Other schools in St. Tammany Parish
Start with campuses at the same school level or with similar reported enrollment.
Covington High School
High · Grades 09–12
1,600 reported students
Northshore High School
High · Grades 09–12
1,518 reported students
Fontainebleau High School
High · Grades 09–12
1,451 reported students
Mandeville High School
High · Grades 09–12
2,006 reported students
Salmen High School
High · Grades 09–12
1,091 reported students
Lakeshore High School
High · Grades 09–12
835 reported students
Public schools near Slidell High School
Closest campuses by straight-line distance between NCES geocodes, favoring the same school level. Distance is not drive time or an attendance assignment.
| School | Grades | Students | Distance |
|---|---|---|---|
| Florida Avenue Elementary School Elementary · St. Tammany Parish | PK–06 | 440 | 0.4 mi |
| Bonne Ecole Elementary School Elementary · St. Tammany Parish | PK–06 | 651 | 0.4 mi |
| Slidell Junior High School Middle · St. Tammany Parish | 07–08 | 724 | 0.6 mi |
| Northshore High School High · St. Tammany Parish | 09–12 | 1,518 | 2.1 mi |
| Salmen High School High · St. Tammany Parish | 09–12 | 1,091 | 2.9 mi |
| Pearl River High School High · St. Tammany Parish | 09–12 | 781 | 5.9 mi |
Frequently asked questions about Slidell High School
What grades does Slidell High School serve?
Slidell High School reports grades 09–12 in the NCES 2025–26 preliminary directory. It is classified as a high school in St. Tammany Parish.
How many students attend Slidell High School?
Slidell High School reported 1,654 students in the NCES 2024–25 membership file. That places it near the 93rd percentile among 274 Louisiana high schools reporting enrollment. The 2021–22 civil-rights collection recorded 1,738 students.
What is the student–teacher ratio at Slidell High School?
The calculated ratio is 14.2:1, based on 1,654 students and 116.08 full-time-equivalent classroom teachers in 2024–25. The Louisiana median for the same school level is 14.2:1. A ratio is not the same as average class size.
Is Slidell High School a public, charter, or magnet school?
Slidell High School is a public school and is not a charter school. Enrollment is generally based on St. Tammany Parish attendance boundaries and transfer rules.
What share of Slidell High School students qualify for free or reduced-price meals?
52.3% of students were eligible for free or reduced-price lunch in 2024–25. The school participates in community eligibility, which can provide meals to every student and changes how eligibility is reported. This describes the students served and is not a quality measure.
Which school district is Slidell High School in?
Slidell High School is part of St. Tammany Parish, based in Covington, LA, which operates 55 current schools. Confirm attendance zones and enrollment rules with the district.
What public schools are near Slidell High School?
The closest public schools by straight-line distance include Florida Avenue Elementary School (0.4 mi), Bonne Ecole Elementary School (0.4 mi), Slidell Junior High School (0.6 mi). Distance does not determine eligibility; attendance boundaries and program rules do.