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SCHOOL COMMUNITY·ST. TAMMANY PARISH·NCES 220165001294

Slidell High School

#1 Tiger Drive, Slidell, LA 70458 · (985) 643-2992 · St. Tammany Parish
GRADES 09–12HIGH13-CITYTITLE IREGULAR SCHOOL1,654 STUDENTS
·
allk12 Grade
Not graded

This school has no state test results for 2023-24 or 2024-25 to grade, which is common for schools that end before third grade. How grades work

Enrollment
1,654
High
DISTRICT 1,367 · STATE 711
Student : Teacher
14.3:1
116 FTE teachers
DISTRICT 13.9:1 · STATE 18.0:1
Free / Reduced Lunch
52%
865 students
DISTRICT 48% · STATE 70%
Community
5
0 members
Enrollment and student:teacher ratio compared against other high schools. Free/Reduced Lunch and demographics compared against all schools.

Enrollment by grade, 2024-25

GradeStudentsShare
Grade 944827%
Grade 1042426%
Grade 1139024%
Grade 1239224%
Student demographics
64%Diversity index
The chance that two students picked at random belong to different racial or ethnic groups.
DISTRICT 57% · STATE 65% · US 70%
White
74645%
DISTRICT 61% · STATE 41% · US 43%
Hispanic
17010%
DISTRICT 12% · STATE 12% · US 30%
Black
61437%
DISTRICT 22% · STATE 42% · US 15%
Asian
161%
DISTRICT 1% · STATE 2% · US 6%
Two+
966%
DISTRICT 5% · STATE 4% · US 5%
Native American
80%
DISTRICT 0% · STATE 1% · US 1%
Pacific Islander
40%
DISTRICT 0% · STATE 0% · US 0%
Student head counts by race/ethnicity from federal NCES enrollment data. District, state, and US figures are each group's share of all public school students in that area (US excludes territories). Very small groups may be suppressed in the source, so categories do not always sum exactly to total enrollment.
Gender split
Male
82850%
Female
82650%

Discussions

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Schools most like Slidell High School

SchoolStudentsLow-incomeProficient
Slidell High School this school1,65452.3%N/A
Ponchatoula High School
Ponchatoula
2,06756.3%N/A
Central High School
Baton Rouge
1,52950.9%N/A
Destrehan High School
Destrehan
1,43547.3%N/A
Northwood High School
Shreveport
98954.3%N/A
Hahnville High School
Boutte
1,41646.0%N/A
Matched among Louisiana high schools on enrollment, the share of students from low-income families (eligible for free or reduced-price lunch), and racial and ethnic makeup. Proficient is the average share of students meeting the state standard across all of the school's state tests in 2023-24 and 2024-25, the same combined score our test-score rankings use. Online schools and schools serving specialized populations are not matched.

Where Slidell High School ranks

Among high schools
MeasureThis schoolIn LouisianaIn St. Tammany Parish
Enrollment
ranked largest first
1,654#19 of 267#2 of 8
Students per teacher
ranked fewest first
14.3:1#112 of 240#4 of 8
Diversity index
ranked most diverse first
64.5%#26 of 240#1 of 8
Free and reduced lunch
ranked highest share first
52.3%#206 of 258#2 of 8
Enrollment change since 2017-18
ranked steepest decline first
-2.2%#146 of 156N/A
Ranked against other public high schools. Online schools are left out of every list, and test-score lists leave out schools that serve specialized populations. Each rank links to the full list. Arrows under a test-score rank show places moved since the prior test year, among schools tested both years.

4-year change

SY 2020-21 vs SY 2024-25
Enrollment
1,654
+106 (+7%) vs 2020
+3% since 1990-91, when it was 1,612
Student : Teacher
14.3:1
was 17.2:1
Source: NCES Common Core of Data

Enrollment and staffing by year

School yearStudentsTeachers (FTE)Students per teacherFree and reduced lunch
2024-251,654116.114.3:152% (865)
2023-241,833124.514.7:156% (1,029)
2022-231,88393.220.2:152% (983)
2020-211,5489017.2:155% (847)
2017-181,69185.819.7:146% (775)
2015-161,58311314.0:153% (833)
2010-111,71710616.2:149% (842)
2000-011,82410217.9:117% (308)
1990-911,6129517.0:1N/A
Source: NCES Common Core of Data. Rows are the federal collections on file for Slidell High School.

Since 2017-18: students down 2% (1,691 to 1,654); teachers up 35% (85.8 to 116.1).

About Slidell High School

Slidell High School is a high school in Slidell, Louisiana, and it is part of St. Tammany Parish. The school enrolls 1,654 students, from grades 9 through 12. Average enrollment for high schools in Louisiana is about 711, so this school runs 133% above that.

St. Tammany Parish counts 55 schools and 35,956 students, including Slidell High School.

Enrollment at Slidell High School is mixed, with White students the largest group at 45%. The school is also 37% Black, 10% Hispanic, and 6% multiracial. That is lower than the 74% White share among all St. Tammany Parish residents. The chance that two students picked at random at Slidell High School belong to different racial or ethnic groups, known as the diversity index, is 64%.

Slidell High School operates with 116.1 full-time-equivalent teachers, a ratio of about 14.3:1. That ratio is under the 18.0:1 average for high schools in Louisiana. Slidell High School reports 52% of students eligible for free or reduced-price meals.

In St. Tammany Parish (population about 272,421), median household income is about $81,202, a bachelor's degree or higher is held by about 38% of adults, and the share of residents below the poverty line is 9%. Slidell High School is one of 56 public schools in St. Tammany Parish, which together enroll about 36,212 students.

Florida Avenue Elementary School is located about 0.4 miles from Slidell High School. Within five miles are at least 8 other public schools.

Locale data from NCES put Slidell High School inside a principal city with a population under 100,000 (City: Small).

A comparison of 2020-21 and 2024-25 shows enrollment up 7%, from 1,548 to 1,654. Its ratio of students to teachers was 17.2:1 in 2020-21, and 14.3:1 in 2024-25.

Community posts for Slidell High School can cover sports schedules, lunch menus, and spirit week. Alumni can share how the school prepared them.

St. Tammany Parish at a glance

View full county profile
Population
272,421
Census ACS
Median income
$81,202
Household, ACS
Bachelor's+
38%
Adults 25+
Poverty rate
9%
Below federal line
Schools in county
56
36,212 students

Quick facts

School name
Slidell High School
District
St. Tammany Parish
Address
#1 Tiger Drive, Slidell, LA 70458
Phone
(985) 643-2992
County
St. Tammany Parish
Level
High
Grade range
09–12
Total enrollment
1,654
Teachers (FTE)
116
Student–teacher ratio
14.3:1
Free and reduced lunch
865 (52%)
Locale
13-City: Small
NCES ID
220165001294
Charter school
No
Virtual school
No

Related schools

Other schools in St. Tammany Parish
Other schools in Slidell
Nearby schools

Frequently asked questions

About Slidell High School
How large is Slidell High School?
Slidell High School enrolls approximately 1,654 students in grades 09-12.
What grades does Slidell High School serve?
Slidell High School serves grades 09-12.
How many teachers does Slidell High School have?
Slidell High School employs 116 FTE teachers, for a student-to-teacher ratio of 14.3:1.
What is the student diversity at Slidell High School?
Student demographics at Slidell High School are roughly 45% White, 10% Hispanic, 37% Black, 1% Asian, 6% Two or more.
Who oversees Slidell High School?
Slidell High School is overseen by St. Tammany Parish in St. Tammany Parish.
Data sourceSchool profile facts are sourced from the NCES. Community content is posted by allk12 members.
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