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 St. Scholastica Academy, Archbishop Hannan High School, and Northlake Christian School.
The average acceptance rate is 92%, which is higher than the Louisiana private high school average acceptance rate of 80%.
Top Ranked St. Tammany Parish Private High Schools (2025-26)
School
Location
Quick Facts
Archbishop Hannan High School![Archbishop Hannan High School Photo]( "Archbishop Hannan High School Photo")
(Catholic)
71324 Highway 1077
Covington, LA 70433
(985) 249-6363
Covington, LA 70433
(985) 249-6363
Gr: 8-12 | 705 students Avg. class size: 18 students Sports: 18 | Extracurrculars: 30 Tuition & acceptance rate listed
80 Christwood Blvd
Covington, LA 70433
(985) 871-9902
Covington, LA 70433
(985) 871-9902
Gr: PK-12 | 603 students Avg. class size: 18 students Sports: 15 | Extracurrculars: 4
4141 Pontchartrain Drive
Slidell, LA 70458
(985) 643-3725
Slidell, LA 70458
(985) 643-3725
Gr: 1-12 | 270 students Avg. class size: 19 students Sports: 9 | Extracurrculars: 5 Tuition & acceptance rate listed
70104 Wolverine Drive
Covington, LA 70433
(985) 635-0508
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
917 S Jahncke Ave
Covington, LA 70433
(985) 892-3200
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
Covington, LA 70433
(985) 892-2540
Gr: 8-12 | 553 students Avg. class size: 19 students Tuition & acceptance rate listed
37291 W Pinehill Dr
Slidell, LA 70460
(985) 640-0601
Slidell, LA 70460
(985) 640-0601
Gr: 1-12 | 13 students
3401 Ponchartrain Dr
Slidell, LA 70458
(985) 781-3175
Slidell, LA 70458
(985) 781-3175
Gr: PK-12 | 100 students
1901 Jaguar Dr
Slidell, LA 70461
(985) 649-0914
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. Tammany Parish Private Schools (Closed)
School
Location
Quick Facts
New Directions Alternative School (Closed 2020)
All-boys | Alternative School
201 Greenbriar Blvd
Covington, LA 70433
(985) 893-2970
Covington, LA 70433
(985) 893-2970
Gr: 8-12 | 10 students
59334 N Pearl Dr
Slidell, LA 70461
(985) 641-3785
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
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 St. Scholastica Academy, Archbishop Hannan High School, and Northlake Christian 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 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?
Which private high schools in St. Tammany Parish are often viewed compared to one another?
Popular comparisons of private high schools in St. Tammany Parish include: Lakeside Christian Academy vs. First Baptist Christian School, St. Scholastica Academy vs. Archbishop Hannan High School, Archbishop Hannan High School vs. St. Scholastica Academy
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