Private School Review - Established 2003
Northlake Christian School Top 4 · Highest Avg. ACT Score (LA)
Pope John Paul Ii Catholic High School Top 24 · Most AP Courses (LA)
Archbishop Hannan High School Top 18 · Highest % Faculty w/ Adv. Degrees (LA)

St. Tammany Parish Private High Schools

For the 2026-27 school year, there are 9 private high schools serving 4,448 students in St. Tammany Parish, LA.
The average acceptance rate is 92%, which is higher than the Louisiana private high school average acceptance rate of 86%.
100% of private high schools in St. Tammany Parish, LA are religiously affiliated (most commonly Catholic and Christian).

Quick Facts (26-27)

  • # Private Schools: 9
  • # Students Served: 4,448
  • Average Tuition: $10,222
  • % Students on Financial Aid: 33%
  • Acceptance Rate: 92%
  • Average Class Size: 19 students
  • % Students of Color: 13%
  • View St. Tammany Parish, LA School Trends

Quick Facts (26-27)

  • # Private Schools: 9
  • # Students Served: 4,448
  • Average Tuition: $10,222
  • % Students on Financial Aid: 33%
  • Acceptance Rate: 92%
  • Average Class Size: 19 students
  • % Students of Color: 13%
  • View St. Tammany Parish, LA School Trends

Top Ranked St. Tammany Parish Private High Schools (2026-27)

Archbishop Hannan High School Photo
Archbishop Hannan High School
Gr: 8-12 | 670 students
Avg. class size: 21 students
Sports: 19 | Extracurriculars: 30
Catholic
71324 Highway 1077
Covington, LA 70433
(985) 249-6363
View Profile
Map of Christ Episcopal School
Christ Episcopal School
Gr: PK-12 | 603 students
Avg. class size: 18 students
Sports: 15 | Extracurriculars: 4
Alternative School (Episcopal)
80 Christwood Blvd
Covington, LA 70433
(985) 871-9902
(3)
View Profile
Map of First Baptist Christian School
First Baptist Christian School
Gr: 1-12 | 270 students
Avg. class size: 19 students
Sports: 9 | Extracurriculars: 5
Baptist
4141 Pontchartrain Drive
Slidell, LA 70458
(985) 643-3725
(6)
View Profile
Northlake Christian School Photo
Northlake Christian School
Gr: PK-12 | 1,049 students
Avg. class size: 18 students
Sports: 14 | Extracurriculars: 8
Christian
70104 Wolverine Drive
Covington, LA 70433
(985) 635-0508
(4)
View Profile
Map of St. Pauls High School
St. Pauls High School
Gr: 8-12 | 867 students
All-boys (Catholic)
917 S Jahncke Ave
Covington, LA 70433
(985) 892-3200
(2)
View Profile
Map of St. Scholastica Academy
St. Scholastica Academy
Gr: 8-12 | 553 students
Avg. class size: 19 students
All-girls (Catholic)
122 S. Massachusetts
Covington, LA 70433
(985) 892-2540
View Profile
Map of Harvest Christian Academy
Harvest Christian Academy
Gr: 1-12 | 13 students
Christian
37291 W Pinehill Dr
Slidell, LA 70460
(985) 640-0601
(1)
View Profile
Map of Lakeside Christian Academy
Lakeside Christian Academy
Gr: PK-12 | 100 students
3401 Ponchartrain Dr
Slidell, LA 70458
(985) 781-3175
View Profile
Pope John Paul Ii Catholic High School Photo
Pope John Paul Ii Catholic High School
Gr: 8-12 | 323 students
Avg. class size: 18 students
Sports: 14 | Extracurriculars: 22
Catholic
1901 Jaguar Dr
Slidell, LA 70461
(985) 649-0914
(1)
View Profile
[+] Show Closed Private Schools in St. Tammany Parish, Louisiana

St. Tammany Parish Private High Schools (Closed)

Map of New Directions Alternative School
New Directions Alternative School
Gr: 8-12 | 10 students
All-boys | Alternative School
201 Greenbriar Blvd
Covington, LA 70433
(985) 893-2970
View Profile
Map of Northminster Montessori Preschool & Kindergarten
Northminster Montessori Preschool & Kindergarten
Gr: PK-K | 12 students
Montessori School (Presbyterian)
63140 Highway 1090
Pearl River, LA 70452
(985) 863-0800
View Profile
Map of Slidell Christian Academy
Slidell Christian Academy
Gr: PK-8
59334 N Pearl Dr
Slidell, LA 70461
(985) 641-3785
View Profile
Map of Slidell SDA School
Slidell SDA School
Gr: 2-7 | 3 students
Seventh Day Adventist
Po Box 753
Slidell, LA 70459
(985) 641-5792
View Profile

Overview

Category
This State (LA)
US
# Schools
9 Schools
# Students
4,448 Students
61,908 Students
% Average Students of Color
13%
21%

Academics and Faculty:

# Teachers
411 Teachers
5,643 Teachers
Average Student-Teacher Ratio
11:1
11:1
% Average Faculty w/Advanced Degree
59%
47%
Average Class Size
19 students
17 students
Average Number of AP Courses
15 courses
11 courses
Average ACT score
25
(Out of 36)
25

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$10,222
$9,198
Average % on Financial Aid
33%
20%
Average Financial Aid Grant
$2,000
$1,931
Average Acceptance Rate
92%
86%

Students by Ethnicity:

0.45
0.49
# American Indian Students
20 Students
298 Students
% American Indian Students
1%
1%
# Asian Students
62 Students
1,411 Students
% Asian Students
1%
2%
# Hispanic Students
99 Students
1,815 Students
% Hispanic Students
2%
3%
# Black Students
113 Students
7,884 Students
% Black Students
3%
13%
# White Students
3,187 Students
43,615 Students
% White Students
71%
69%
# Hawaiian Students
1 Student
131 Students
% Hawaiian Students
<1%
<1%
# Others Students
986 Students
7,778 Students
% of Others Students
22%
12%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
14 extracurriculars
14 extracurriculars
Average Number of Sports
14 sports
11 sports

Frequently Asked Questions

What are the top ranked private high schools in St. Tammany Parish, LA?
The top ranked private high schools in St. Tammany Parish, LA include Christ Episcopal School, St. Scholastica Academy, and St. Pauls High School.
How many private high schools are located in St. Tammany Parish?
9 private high schools are located in St. Tammany Parish.
How diverse are private high schools in St. Tammany Parish?
St. Tammany Parish private high schools are approximately 13% minority students, which is lower than the Louisiana private school average of 21%.
What percentage of private high schools are religiously affiliated in St. Tammany Parish?
100% of private high schools in St. Tammany Parish are religiously affiliated (most commonly Catholic and Christian).
Which private high schools in St. Tammany Parish are often viewed compared to one another?

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