Top Rankings
St. Tammany Parish School District ranks among the top 20% of public school district in Louisiana for:
Category
Attribute
Overall Rank
Highest overall rank (Top 20%)
Math Proficiency
Highest math proficiency (Top 20%)
Reading/Language Arts Proficiency
Highest reading/language arts proficiency (Top 10%)
Science Proficiency
Highest science proficiency (Top 10%)
Community Size
Largest student body (number of students) (Top 1%)
For the 2025 school year, there are 8 public high schools serving 11,893 students in St. Tammany Parish School District. This district's average high testing ranking is 9/10, which is in the top 20% of public high schools in Louisiana.
Public High Schools in St. Tammany Parish School District have an average math proficiency score of 46% (versus the Louisiana public high school average of 37%), and reading proficiency score of 50% (versus the 44% statewide average).
Public High School in St. Tammany Parish School District have a Graduation Rate of 82%, which is less than the Louisiana average of 84%.
The school with highest graduation rate is Mandeville High School, with 91% graduation rate. Read more about public school graduation rate statistics in Louisiana or national school graduation rate statistics.
Minority enrollment is 38% of the student body (majority Black), which is less than the Louisiana public high school average of 55% (majority Black).
Overview
This School District
This State (LA)
# Schools
55 Schools
393 Schools
# Students
38,794 Students
262,892 Students
# Teachers
2,820 Teachers
17,469 Teachers
Student : Teacher Ratio
14:1
14:1
Student By Grade
District Rank
St. Tammany Parish School District, which is ranked within the top 20% of all 177 school districts in Louisiana (based off of combined math and reading proficiency testing data) for the 2022-2023 school year.
The school district's graduation rate of 82% has decreased from 84% over five school years.
Overall District Rank
#19 out of 187 school districts
(Top 20%)
(Top 20%)
Math Test Scores (% Proficient)
46%
34%
Reading/Language Arts Test Scores (% Proficient)
54%
42%
Science Test Scores (% Proficient)
37%
27%
Graduation Rate
82%
83%
Students by Ethnicity:
Diversity Score
0.57
0.64
% American Indian
n/a
1%
% Asian
1%
2%
% Hispanic
11%
10%
% Black
22%
40%
% White
62%
44%
% Hawaiian
n/a
n/a
% Two or more races
4%
3%
All Ethnic Groups
District Revenue and Spending
The revenue/student of $14,970 in this school district is less than the state median of $15,176. The school district revenue/student has declined by 5% over four school years.
The school district's spending/student of $14,776 is higher than the state median of $14,514. The school district spending/student has declined by 5% over four school years.
Total Revenue
$581 MM
$10,755 MM
Spending
$573 MM
$10,286 MM
Revenue / Student
$14,970
$15,176
Spending / Student
$14,776
$14,514
Best St. Tammany Parish School District Public High Schools (2025)
School
(Math and Reading Proficiency)
(Math and Reading Proficiency)
Location
Grades
Students
Rank: #11.
Mandeville High School
(Math: 69% | Reading: 62%)
Rank:
Rank:
10/
Top 10%10
#1 Skipper Drive
Mandeville, LA 70471
(985) 626-5225
Mandeville, LA 70471
(985) 626-5225
Grades: 9-12
| 2,188 students
Rank: #22.
Northshore High School
(Math: 57% | Reading: 64%)
Rank:
Rank:
10/
Top 10%10
100 Panther Drive
Slidell, LA 70461
(985) 649-6400
Slidell, LA 70461
(985) 649-6400
Grades: 9-12
| 1,610 students
Rank: #33.
Lakeshore High School
(Math: 65% | Reading: 54%)
Rank:
Rank:
9/
Top 20%10
26301 Highway 1088
Mandeville, LA 70488
(985) 624-5046
Mandeville, LA 70488
(985) 624-5046
Grades: 9-12
| 901 students
Rank: #44.
Fontainebleau High School
(Math: 48% | Reading: 55%)
Rank:
Rank:
9/
Top 20%10
100 Bulldog Drive
Mandeville, LA 70471
(985) 892-7112
Mandeville, LA 70471
(985) 892-7112
Grades: 9-12
| 1,619 students
Rank: #55.
Slidell High School
(Math: 39% | Reading: 42%)
Rank:
Rank:
7/
Top 50%10
#1 Tiger Drive
Slidell, LA 70458
(985) 643-2992
Slidell, LA 70458
(985) 643-2992
Grades: 9-12
| 1,833 students
Rank: #66.
Covington High School
(Math: 35% | Reading: 41%)
Rank:
Rank:
6/
Top 50%10
73030 Lion Drive
Covington, LA 70433
(985) 892-3422
Covington, LA 70433
(985) 892-3422
Grades: 9-12
| 1,690 students
Rank: #77.
Pearl River High School
(Math: 27% | Reading: 37%)
Rank:
Rank:
5/
Bottom 50%10
39110 Rebel Lane
Pearl River, LA 70452
(985) 863-2591
Pearl River, LA 70452
(985) 863-2591
Grades: 9-12
| 861 students
Rank: #88.
Salmen High School
(Math: 18% | Reading: 34%)
Rank:
Rank:
4/
Bottom 50%10
300 Spartan Drive
Slidell, LA 70458
(985) 643-7359
Slidell, LA 70458
(985) 643-7359
Grades: 9-12
| 1,191 students
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