Lake Castle Slidell Private School serves 485 students in grades Prekindergarten-8.
The student:teacher of Lake Castle Slidell Private School is 14:1 and the school's religious affiliation is Nonsectarian.
Quick Facts (2025-26)
- Grades: Prekindergarten-8
- Enrollment: 485 students
- Application Deadline: None / Rolling
- Source: Verified school update
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
ADD/ADHD Support
Yes
Year Founded
1987
Summer School Offered
Yes
School Calendar
Student Body
Total Students
485 students
Student Body Type
Co-ed
% Students of Color
19%
State avg.: 22%
Students by Grade
Academics and Faculty
Total Classroom Teachers
34 teachers
Student-Teacher Ratio
14:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- School Motto: Excellence in Education
Source: Verified school update
Frequently Asked Questions
When is the application deadline for Lake Castle Slidell Private School?
The application deadline for Lake Castle Slidell Private School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
People that viewed Lake Castle Slidell Private School also viewed these schools: First Baptist Christian School, St. Margaret Mary School, Pope John Paul Ii Catholic High School and Southern Magnolia Montessori School.
The nearest high school and elementary school to Lake Castle Slidell Private School is Lakeside Christian Academy (3.6 miles away)
The nearest preschool is Children's College (3.4 miles away)
Show me:
Show me:
School
Location
Miles
Quick Facts
4141 Pontchartrain Drive
Slidell, LA 70458
(985) 643-3725
Slidell, LA 70458
(985) 643-3725
3.8 miles
Gr: 1-12 | 270 students Avg. class size: 19 students Sports: 9 | Extracurrculars: 5 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
4.1 miles
Gr: PK-7 | 428 students Avg. class size: 20 students Sports: 7 | Extracurrculars: 11
1901 Jaguar Dr
Slidell, LA 70461
(985) 649-0914
Slidell, LA 70461
(985) 649-0914
5.7 miles
Gr: 8-12 | 323 students Avg. class size: 18 students Sports: 14 | Extracurrculars: 22 Tuition & acceptance rate listed
Southern Magnolia Montessori School
Montessori School
72047 Live Oak St
Abita Springs, LA 70420
(985) 893-5900
Abita Springs, LA 70420
(985) 893-5900
17.7 miles
Gr: PK-7 | 70 students Tuition listed
School Reviews
Endorse Lake Castle Slidell Private School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles
Student Success Predictors at Community Colleges
A practical guide to student success predictors at community colleges for private school advisors helping graduates navigate two-year pathways.
Career Pathways with Community College for Private School Grads
Explore top career pathways with community college for private school graduates, including high-demand jobs, transfer options, and 2025 workforce trends.
Navigating the FAFSA & Financial Aid Timeline for Community College
Learn how to navigate FAFSA and financial aid timelines when starting at community college — from application to disbursement in 2025.
