For the 2025 school year, there are 27 private schools serving 10,066 students in St. Tammany Parish, LA (there are 56 public schools, serving 38,944 public students). 21% of all K-12 students in St.
Tammany Parish, LA are educated in private schools (compared to the LA state average of 15%).
The top ranked private schools in St. Tammany Parish, LA include Archbishop Hannan High School, Northlake Christian School, and Our Lady of the Lake Roman Catholic School.
The average acceptance rate is 91%, which is higher than the Louisiana private school average acceptance rate of 87%.
Top Ranked St. Tammany Parish Private Schools (2025)
School
Location
Grades
Students
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
Grades: 8-12
| 693 students
80 Christwood Blvd
Covington, LA 70433
(985) 871-9902
Covington, LA 70433
(985) 871-9902
Grades: PK-12
| 603 students
4141 Pontchartrain Drive
Slidell, LA 70458
(985) 643-3725
Slidell, LA 70458
(985) 643-3725
Grades: 1-12
| 270 students
70104 Wolverine Drive
Covington, LA 70433
(985) 635-0508
Covington, LA 70433
(985) 635-0508
Grades: PK-12
| 1,264 students
316 Lafitte Street
Mandeville, LA 70448
(985) 626-5678
Mandeville, LA 70448
(985) 626-5678
Grades: NS-7
| 800 students
917 S Jahncke Ave
Covington, LA 70433
(985) 892-3200
Covington, LA 70433
(985) 892-3200
Grades: 8-12
| 867 students
St. Peter Catholic School
(Catholic)
130 E Temperance Street
Covington, LA 70433
(985) 807-4559
Covington, LA 70433
(985) 807-4559
Grades: PK-7
| 873 students
St. Scholastica Academy
All-girls (Catholic)
122 S. Massachusetts
Covington, LA 70433
(985) 892-2540
Covington, LA 70433
(985) 892-2540
Grades: 8-12
| 553 students
Calvary Baptist School
(Baptist)
1615 Old Spanish Trail
Slidell, LA 70458
(985) 643-7224
Slidell, LA 70458
(985) 643-7224
Grades: PK-8
| 220 students
Children's College
Daycare / Preschool
967 Carnation St
Slidell, LA 70460
(985) 649-7618
Slidell, LA 70460
(985) 649-7618
Grades: PK-K
| 10 students
Covington Montessori School
Montessori School
116 N Monroe St
Covington, LA 70433
(985) 893-0676
Covington, LA 70433
(985) 893-0676
Grades: PK-K
| 37 students
Early Learning Center At Grace Memorial Baptist Church
Daycare / Preschool (Baptist)
58516 Pearl Acres Rd
Slidell, LA 70461
(985) 649-0956
Slidell, LA 70461
(985) 649-0956
Grades: PK-K
| 85 students
37291 W Pinehill Dr
Slidell, LA 70460
(985) 640-0601
Slidell, LA 70460
(985) 640-0601
Grades: 1-12
| 13 students
25 Patricia Drive
Covington, LA 70433
(985) 892-4415
Covington, LA 70433
(985) 892-4415
Grades: NS-7
| 291 students
363 Thompson Road
Slidell, LA 70460
(985) 641-3363
Slidell, LA 70460
(985) 641-3363
Grades: PK-8
| 485 students
3401 Ponchartrain Dr
Slidell, LA 70458
(985) 781-3175
Slidell, LA 70458
(985) 781-3175
Grades: PK-12
| 100 students
Lakeview Maria Montessori Preschool
Montessori School
502 N Florida Street
Covington, LA 70433
(504) 202-3182
Covington, LA 70433
(504) 202-3182
Grades: PK-K
| 17 students
Mary Queen Of Peace Catholic School
(Catholic)
1515 W Causeway Approach
Mandeville, LA 70471
(985) 674-2466
Mandeville, LA 70471
(985) 674-2466
Grades: PK-7
| 448 students
Montessori Christian Academy Llc
Montessori School (Christian)
4441 Iberville St
Mandeville, LA 70471
(985) 674-2720
Mandeville, LA 70471
(985) 674-2720
Grades: PK-K
| 48 students
New Covenant Presbyterian Weekday School![New Covenant Presbyterian Weekday School Photo - The front door of the School]( "New Covenant Presbyterian Weekday School Photo - The front door of the School")
Montessori School (Presbyterian)
4375 Highway 22
Mandeville, LA 70471
(985) 626-1627
Mandeville, LA 70471
(985) 626-1627
Grades: NS-PK
| 72 students
Northminster Montessori Preschool & Kindergarten
Montessori School (Presbyterian)
63140 Highway 1090
Pearl River, LA 70452
(985) 863-0800
Pearl River, LA 70452
(985) 863-0800
Grades: PK-K
| 12 students
Our Lady Of Lourdes Elementary School![Our Lady Of Lourdes Elementary School Photo - 3rd Quarter Principal's Honor Roll recipients with Mr. Kiefer, following the Honor Roll Breakfast. March 2011]( "Our Lady Of Lourdes Elementary School Photo - 3rd Quarter Principal's Honor Roll recipients with Mr. Kiefer, following the Honor Roll Breakfast. March 2011")
(Catholic)
345 Westchester Boulevard
Slidell, LA 70458
(985) 643-3230
Slidell, LA 70458
(985) 643-3230
Grades: PK-7
| 436 students
1901 Jaguar Dr
Slidell, LA 70461
(985) 649-0914
Slidell, LA 70461
(985) 649-0914
Grades: 8-12
| 323 students
St. Margaret Mary School![St. Margaret Mary School Photo]( "St. Margaret Mary School Photo")
(Catholic)
1050 Robert Blvd A
Slidell, LA 70458
(985) 643-4612
Slidell, LA 70458
(985) 643-4612
Grades: PK-7
| 428 students
1040 Joe Buccaran Dr.
Slidell, LA 70458
(985) 643-3084
Slidell, LA 70458
(985) 643-3084
Grades: NS-PK
| n/a students
Southern Magnolia Montessori School
Montessori School
72047 Live Oak St
Abita Springs, LA 70420
(985) 893-5900
Abita Springs, LA 70420
(985) 893-5900
Grades: PK-7
| 70 students
St. Tammany Parish Private Schools (Closed)
School
Location
Grades
Students
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
Grades: 8-12
| 10 students
59334 N Pearl Dr
Slidell, LA 70461
(985) 641-3785
Slidell, LA 70461
(985) 641-3785
Grades: PK-8
| n/a students
Slidell SDA School (Closed 2000)
(Seventh Day Adventist)
Po Box 753
Slidell, LA 70459
(985) 641-5792
Slidell, LA 70459
(985) 641-5792
Grades: 2-7
| 3 students
Frequently Asked Questions
What are the top ranked private schools in St. Tammany Parish, LA?
The top ranked private schools in St. Tammany Parish, LA include Archbishop Hannan High School, Northlake Christian School, and Our Lady of the Lake Roman Catholic School.
How many private schools are located in St. Tammany Parish?
27 private schools are located in St. Tammany Parish.
How diverse are private schools in St. Tammany Parish?
St. Tammany Parish private schools are approximately 10% minority students, which is lower than the Louisiana private school average of 22%.
What percentage of students in St. Tammany Parish go to private school?
21% of all K-12 students in St. Tammany Parish are educated in private schools (compared to the LA state average of 15%).
What percentage of private schools are religiously affiliated in St. Tammany Parish?
Which private schools in St. Tammany Parish are often viewed compared to one another?
Popular comparisons of private schools in St. Tammany Parish include: St. Scholastica Academy vs. Archbishop Hannan High School, Lakeside Christian Academy vs. First Baptist Christian School, Archbishop Hannan High School vs. St. Scholastica Academy
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