Immaculate Conception School exists for the integral Catholic education of youth, especially those of the working class, developing their potential as good Chrisitans and honest citizens.
This education is carried out in a family spirit, utilizing the principles of reason, religion and loving kindness as taught by St. John Bosco and St. Mary Mazzarello.
From its establishment, Immaculate Conception School has strived to provide an effective Catholic educational foundation for the children of Marrero and the surrounding areas.
The parish school is an integral part of the mission of Immaculate Conception Church, which is to teach as Jesus did, to build up the Catholic Community and to sanctify its members.
Its mission is to cooperate with the parents in developing the whole child.
We accomplish this by nurturing Christian values in the students and forming them with good spiritual, moral, mental and physical habits.
These habits should be in accordance with the message revealed by God, which the church proclaims.
Quick Stats (2025)
- Top Ranked LA School
- Grades: Prekindergarten-7
- Enrollment: 679 students
- Application Deadline: None / Rolling
- Source: National Center for Education Statistics (NCES)
Top Rankings
Immaculate Conception School ranks among the top 20% of private schools in Louisiana for:
Category
Attribute
Student Body
School Overview
Religious Affiliation
Grades Offered
Grades Prekindergarten-7
Student Body
Total Students
679 students
Student Body Type
Co-ed
% Students of Color
35%
State avg.: 22%
Students by Grade

Academics and Faculty
Total Classroom Teachers
28 teachers
Student : Teacher Ratio
24:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
School Notes
- Immaculate Conception School exists for the integral Catholic education of youth, especially those of the working class, developing their potential as good Chrisitans and honest citizens. This education is carried out in a family spirit, utilizing the principles of reason, religion and loving kindness as taught by St. John Bosco and St. Mary Mazzarello. From its establishment, Immaculate Conception School has strived to provide an effective Catholic educational foundation for the children of Marrero and the surrounding areas. The parish school is an integral part of the mission of Immaculate Conception Church, which is to teach as Jesus did, to build up the Catholic Community and to sanctify its members. Its mission is to cooperate with the parents in developing the whole child. We accomplish this by nurturing Christian values in the students and forming them with good spiritual, moral, mental and physical habits. These habits should be in accordance with the message revealed by God, which the church proclaims.
Source: National Center for Education Statistics (NCES)
Frequently Asked Questions
What is Immaculate Conception School's ranking?
Immaculate Conception School ranks among the top 20% of private schools in Louisiana for: Largest student body.
When is the application deadline for Immaculate Conception School?
The application deadline for Immaculate Conception School is rolling (applications are reviewed as they are received year-round).
School Reviews
5 3/20/2021
I went to this school for two years the teachers were great the kids were great kind and caring the principal is very mean she accuses you of things based of what one person says she is very toxic she would never look at the cameras for the situation other than the principal the school was great
5 6/3/2020
My daughter goes to this school, and she's in pre-k and she loves this school and so does she. Since she started attending ICS, she is even smarter and more knowledgeable and it makes me a proud mother. The children's learning has no end. If you are contemplating about sending your child here, please do and you as well as your child will be so happy. This school makes learning fun!!!
5 5/17/2016
I have two students currently at ICS. One is in first grade and the other in third, and this is our fourth year as part of the ICS family. I''ve been very pleased with this school on all fronts; the academics are first class, family support is outstanding, and perhaps most importantly, they believe in high standards in a loving, diverse and supportive environment.
The kids are happy and engaged every day, and complain when I pick them up that they do not want to leave. There is low teacher turnover, and the administration is accessible and very in touch with each student as an individual, never a "number". I can't recommend this school enough, and am proud to be an ICS mom.
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