Kehoe-France Northshore School Photo

Best St. Tammany Parish Private Elementary Schools (2026)

For the 2026 school year, there are 19 private elementary schools serving 9,240 students in St. Tammany Parish, LA.
The top-ranked private elementary schools in St. Tammany Parish, LA include Northlake Christian School, Our Lady of the Lake Roman Catholic School, and St. Pauls High School.
The average tuition cost is $8,938, which is lower than the Louisiana private elementary school average tuition cost of $9,711.
75% of private elementary schools in St. Tammany Parish, LA are religiously affiliated (most commonly Catholic and Christian).

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

School
Location
Quick Facts
Archbishop Hannan High School
Archbishop Hannan High School Photo
(Catholic)
71324 Highway 1077
Covington, LA 70433
(985) 249-6363
Gr: 8-12 | 705 students Avg. class size: 18 students Sports: 18 | Extracurrculars: 30 Tuition & acceptance rate listed
Christ Episcopal School
Christ Episcopal School Photo - Our Middle School
Alternative School (Episcopal)
(3)
80 Christwood Blvd
Covington, LA 70433
(985) 871-9902
Gr: PK-12 | 603 students Avg. class size: 18 students Sports: 15 | Extracurrculars: 4
First Baptist Christian School
First Baptist Christian School Photo - Students in 3rd-8th grade participated in the ACSI Art Festival. Six of the 10 participants received 1st-3rd place ribbons.
(Baptist)
(6)
4141 Pontchartrain Drive
Slidell, LA 70458
(985) 643-3725
Gr: 1-12 | 270 students Avg. class size: 19 students Sports: 9 | Extracurrculars: 5 Tuition & acceptance rate listed
Northlake Christian School
Northlake Christian School Photo
(Christian)
(4)
70104 Wolverine Drive
Covington, LA 70433
(985) 635-0508
Gr: PK-12 | 1,049 student Avg. class size: 18 students Sports: 14 | Extracurrculars: 8 Tuition & acceptance rate listed
316 Lafitte Street
Mandeville, LA 70448
(985) 626-5678
Gr: NS-7 | 800 students Avg. class size: 21 students Sports: 9 | Extracurrculars: 3 Tuition listed
St. Pauls High School
All-boys (Catholic)
(2)
917 S Jahncke Ave
Covington, LA 70433
(985) 892-3200
Gr: 8-12 | 867 students Tuition & acceptance rate listed
St. Peter Catholic School
(Catholic)
130 E Temperance Street
Covington, LA 70433
(985) 892-1831
Gr: PK-7 | 873 students Avg. class size: 28 students Sports: 12 Tuition listed
St. Scholastica Academy
All-girls (Catholic)
122 S. Massachusetts
Covington, LA 70433
(985) 892-2540
Gr: 8-12 | 553 students Avg. class size: 19 students Tuition & acceptance rate listed
Calvary Baptist School
(Baptist)
1615 Old Spanish Trail
Slidell, LA 70458
(985) 643-7224
Gr: PK-8 | 220 students Avg. class size: 18 students Sports: 3 Tuition listed
Cedarwood School
Cedarwood School Photo - The best student life is a harmonious blend of academic excellence, personal growth, and memorable experiences. Cedarwood School, experience the joy of learning while building a foundation for life.
(1)
607 Heavens Dr
Mandeville, LA 70471
(985) 845-7111
Gr: PK-7 Avg. class size: 14 students Extracurrculars: 11 Tuition listed
Harvest Christian Academy
(Christian)
(1)
37291 W Pinehill Dr
Slidell, LA 70460
(985) 640-0601
Gr: 1-12 | 13 students
25 Patricia Drive
Covington, LA 70433
(985) 892-4415
Gr: NS-7 | 301 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 9 Tuition & acceptance rate listed
363 Thompson Road
Slidell, LA 70460
(985) 641-3363
Gr: PK-8 | 485 students
3401 Ponchartrain Dr
Slidell, LA 70458
(985) 781-3175
Gr: PK-12 | 100 students
Mary Queen Of Peace Catholic School
(Catholic)
1515 W Causeway Approach
Mandeville, LA 70471
(985) 674-2466
Gr: PK-7 | 448 students Avg. class size: 21 students
345 Westchester Boulevard
Slidell, LA 70458
(985) 643-3230
Gr: PK-7 | 436 students Avg. class size: 26 students Tuition & acceptance rate listed
Pope John Paul Ii Catholic High School
Pope John Paul Ii Catholic High School Photo - Three consecutive state volleyball titles!
(Catholic)
(1)
1901 Jaguar Dr
Slidell, LA 70461
(985) 649-0914
Gr: 8-12 | 323 students Avg. class size: 18 students Sports: 14 | Extracurrculars: 22 Tuition & acceptance rate listed
St. Margaret Mary School
St. Margaret Mary School Photo
(Catholic)
1050 Robert Blvd A
Slidell, LA 70458
(985) 643-4612
Gr: PK-7 | 428 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 11
Southern Magnolia Montessori School
Montessori School
72047 Live Oak St
Abita Springs, LA 70420
(985) 893-5900
Gr: PK-7 | 70 students Tuition listed
[+] Show Closed Private Schools in St. Tammany Parish, Louisiana

St. Tammany Parish Private Schools (Closed)

School
Location
Quick Facts
201 Greenbriar Blvd
Covington, LA 70433
(985) 893-2970
Gr: 8-12 | 10 students
63140 Highway 1090
Pearl River, LA 70452
(985) 863-0800
Gr: PK-K | 12 students
59334 N Pearl Dr
Slidell, LA 70461
(985) 641-3785
Gr: PK-8 Tuition listed
Slidell SDA School (Closed 2000)
(Seventh Day Adventist)
Po Box 753
Slidell, LA 70459
(985) 641-5792
Gr: 2-7 | 3 students

Overview

This County (St. Tammany Parish)
This State (LA)
# Schools
20 Schools

Student Body:

# Students
9,240 Students
115,621 Students
% Average Students of Color
11%
22%

Academics and Faculty:

# Teachers
757 Teachers
9,260 Teachers
Average Student-Teacher Ratio
13:1
13:1
% Average Faculty w/Advanced Degree
52%
41%
Average Class Size
20 students
17 students
Average Number of AP Courses
15 courses
10 courses
Average ACT score
25
(Out of 36)
25

Tuition and Acceptance Rate:

Average Yearly Tuition Cost
$8,938
$9,711
Average Summer Program Cost
$550
$328
Average % on Financial Aid
30%
21%
Average Financial Aid Grant
$1,667
$2,058
Average Acceptance Rate
91%
84%
Average Endowment Size
$50 million
$39.86 million

Students by Ethnicity:

0.47
0.55
# American Indian Students
21 Students
448 Students
% American Indian Students
n/a
n/a
# Asian Students
172 Students
2,932 Students
% Asian Students
2%
3%
# Hispanic Students
202 Students
3,854 Students
% Hispanic Students
2%
3%
# Black Students
268 Students
13,367 Students
% Black Students
3%
12%
# White Students
6,540 Students
74,690 Students
% White Students
69%
64%
# Hawaiian Students
2 Students
178 Students
% Hawaiian Students
n/a
n/a
# Two or more races Students
n/a
n/a
% of Two or more races Students
n/a
n/a
# Others Students
2,252 Students
20,859 Students
% of Others Students
24%
18%
All Ethnic Groups

Extracurriculars and Sports:

Average Number of Extracurriculars
11 extracurriculars
10 extracurriculars
Average Number of Sports
11 sports
8 sports

Frequently Asked Questions

What are the top-ranked private elementary schools in St. Tammany Parish, LA?
The top-ranked private elementary schools in St. Tammany Parish, LA include Northlake Christian School, Our Lady of the Lake Roman Catholic School, and St. Pauls High School.
How many private elementary schools are located in St. Tammany Parish?
19 private elementary schools are located in St. Tammany Parish.
How much do private elementary schools cost in St. Tammany Parish?
The average tuition cost is $8,938, which is lower than the Louisiana private school average tuition cost of $9,711.
How diverse are private elementary schools in St. Tammany Parish?
St. Tammany Parish private elementary schools are approximately 11% minority students, which is lower than the Louisiana private school average of 22%.
What percentage of private elementary schools are religiously affiliated in St. Tammany Parish?
75% of private elementary schools in St. Tammany Parish are religiously affiliated (most commonly Catholic and Christian).
Which private elementary schools in St. Tammany Parish are often viewed compared to one another?

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