For the 2025-26 school year, there are 26 private schools serving 9,851 students in St. Tammany Parish, LA (there are 56 public schools, serving 38,944 public students). 20% 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 St. Scholastica Academy, Archbishop Hannan High School, and Northlake Christian School.
The average tuition cost is $8,698, which is lower than the Louisiana private school average tuition cost of $9,668.
Top Ranked St. Tammany Parish Private 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
316 Lafitte Street
Mandeville, LA 70448
(985) 626-5678
Mandeville, LA 70448
(985) 626-5678
Gr: NS-7 | 800 students Avg. class size: 21 students Sports: 9 | Extracurrculars: 3 Tuition 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. Peter Catholic School
(Catholic)
130 E Temperance Street
Covington, LA 70433
(985) 892-1831
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
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
Slidell, LA 70458
(985) 643-7224
Gr: PK-8 | 220 students Avg. class size: 18 students Sports: 3 Tuition listed
607 Heavens Dr
Mandeville, LA 70471
(985) 845-7111
Mandeville, LA 70471
(985) 845-7111
Gr: PK-7 | 352 students Avg. class size: 14 students
Children's College
Daycare / Preschool
967 Carnation St
Slidell, LA 70460
(985) 649-7618
Slidell, LA 70460
(985) 649-7618
Gr: 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
Gr: 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
Gr: PK-K | 85 students
37291 W Pinehill Dr
Slidell, LA 70460
(985) 640-0601
Slidell, LA 70460
(985) 640-0601
Gr: 1-12 | 13 students
25 Patricia Drive
Covington, LA 70433
(985) 892-4415
Covington, LA 70433
(985) 892-4415
Gr: NS-7 | 291 students Avg. class size: 15 students Sports: 8 | Extracurrculars: 9 Tuition & acceptance rate listed
363 Thompson Road
Slidell, LA 70460
(985) 641-3363
Slidell, LA 70460
(985) 641-3363
Gr: PK-8 | 485 students
3401 Ponchartrain Dr
Slidell, LA 70458
(985) 781-3175
Slidell, LA 70458
(985) 781-3175
Gr: 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
Gr: 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
Gr: PK-7 | 448 students Avg. class size: 21 students
Montessori Christian Academy Llc
Montessori School (Christian)
4441 Iberville St
Mandeville, LA 70471
(985) 674-2720
Mandeville, LA 70471
(985) 674-2720
Gr: 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
Gr: NS-PK | 72 students Avg. class size: 1 student
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
Gr: PK-7 | 436 students Avg. class size: 26 students Tuition & acceptance rate listed
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. 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
Gr: PK-7 | 428 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 11
1040 Joe Buccaran Dr.
Slidell, LA 70458
(985) 643-3084
Slidell, LA 70458
(985) 643-3084
Gr: NS-PK
Southern Magnolia Montessori School
Montessori School
72047 Live Oak St
Abita Springs, LA 70420
(985) 893-5900
Abita Springs, LA 70420
(985) 893-5900
Gr: PK-7 | 70 students Tuition 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 schools in St. Tammany Parish, LA?
The top ranked private schools in St. Tammany Parish, LA include St. Scholastica Academy, Archbishop Hannan High School, and Northlake Christian School.
How many private schools are located in St. Tammany Parish?
26 private schools are located in St. Tammany Parish.
How much do private schools cost in St. Tammany Parish?
The average tuition cost is $8,698, which is lower than the Louisiana private school average tuition cost of $9,668.
How diverse are private schools in St. Tammany Parish?
St. Tammany Parish private schools are approximately 11% 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?
20% 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: Lakeside Christian Academy vs. First Baptist Christian School, St. Scholastica Academy vs. Archbishop Hannan High School, Our Lady Of Lourdes Elementary School vs. St. Margaret Mary School
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