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.

Best St. Tammany Parish Private High Schools (2025-26)

For the 2025-26 school year, there are 9 private high schools serving 4,483 students in St. Tammany Parish, LA.
The top ranked private high schools in St. Tammany Parish, LA include Archbishop Hannan High School, St. Pauls High School, and St. Scholastica Academy.
The average acceptance rate is 92%, which is higher than the Louisiana private high school average acceptance rate of 80%.
100% of private high schools in St. Tammany Parish, LA are religiously affiliated (most commonly Catholic and Christian).

Top Ranked St. Tammany Parish Private High Schools (2025-26)

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
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. 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
Harvest Christian Academy
(Christian)
(1)
37291 W Pinehill Dr
Slidell, LA 70460
(985) 640-0601
Gr: 1-12 | 13 students
3401 Ponchartrain Dr
Slidell, LA 70458
(985) 781-3175
Gr: PK-12 | 100 students
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
[+] 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

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 Archbishop Hannan High School, St. Pauls High School, and St. Scholastica Academy.
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 12% 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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