Lake Castle Slidell Private School

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
Lake Castle Slidell Private School Student 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).

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Quick Facts (2025-26)

  • Grades: Prekindergarten-8
  • Enrollment: 485 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in St. Tammany Parish, LA is $8,698 for elementary schools and $10,159 for high schools (read more about average private school tuition across the country).
The average acceptance rate in St. Tammany Parish, LA is 91% (read more about average acceptance rates across the country).

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