Immaculate Conception School Photo #0 - Our School Front

Immaculate Conception School

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Immaculate Conception School Photo #1 - Our School Front
Immaculate Conception Catholic School is a community of people working together to foster the full development of young people in a Christian environment.
It has been established and maintained by parishioners as an integral part of Immaculate Conception Parish, and a unique arm of the teaching mission of the Catholic Church in the Dardenne area.
As an extension of the Catholic family unit, Immaculate Conception Catholic School exists as a means through which all can work together to provide the best possible education for children in kindergarten through eighth grade.
Immaculate Conception Catholic School of Dardenne admits students of any race, gender, color, national and ethnic origin to all rights, privileges, programs, and activities generally accorded or made available to students of this school.
Immaculate Conception Catholic School does not discriminate on the basis of race, gender, color, national and ethnic origin in admission policies, scholarships and loan programs, and athletic and other school-administered programs.

Quick Stats (2025)

  • Top Ranked MO School
  • Grades: Prekindergarten-8
  • Enrollment: 877 students
  • Yearly Tuition: $3,806
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

Immaculate Conception School ranks among the top 20% of private schools in Missouri for:

Category
Attribute

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
First Day of School
Tue. Aug 19, 2025

Student Body

Total Students
877 students
Student Body Type
Co-ed
% Students of Color
10%
State avg.: 20%
Students by Grade
Immaculate Conception School Student By Grade

Academics and Faculty

Total Classroom Teachers
36 teachers
Student : Teacher Ratio
24:1
National avg.: 13:1
% Faculty w/Advanced Degree
50%
Classroom Dress Code
Casual
blue pants and polos

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL

Sports

Total Sports Offered
4 sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
16 extracurriculars
ExtracurricularsExtra-curric.
Band, Cantors, Chess Club, Choir, Circle of Lectors, Girls on the Run, Math Club, National Junior Honor Society, Read, Right and Run, Robotics Club, Safety Patrol, Social Justice/Service Club, Speech Team, Student Council, Yearbook
Source: Verified school update

Frequently Asked Questions

How much does Immaculate Conception School cost?
Immaculate Conception School's tuition is approximately $3,806 for private students.
What sports does Immaculate Conception School offer?
Immaculate Conception School offers 4 interscholastic sports: Basketball, Football, Soccer and Volleyball.
What is Immaculate Conception School's ranking?
Immaculate Conception School ranks among the top 20% of private schools in Missouri for: Least expensive tuition, Largest student body and Most extracurriculars offered.
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 Calendar

View the Immaculate Conception School yearly calendar below. Note key dates such as:

Event
Date
K-8 First Day of School - Noon dismissal (ICD Master Calendar)
August 12, 2025 (Tuesday)
First Day of School for M/W/F & M-F PS Classes (ICD Master Calendar)
August 13, 2025 (Wednesday)
First Day of School for T/Th S Classes (ICD Master Calendar)
August 14, 2025 (Thursday)
No School (K-8 & PS) - Fall Break - Day 1 of 3 (ICD Master Calendar)
October 29, 2025 (Wednesday)
No School (K-8 & PS) - Fall Break - Day 2 of 3 (ICD Master Calendar)
October 30, 2025 (Thursday)

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Quick Stats (2025)

  • Top Ranked MO School
  • Grades: Prekindergarten-8
  • Enrollment: 877 students
  • Yearly Tuition: $3,806
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in O Fallon, MO is $7,089 for elementary schools (read more about average private school tuition across the country).
The average acceptance rate in O Fallon, MO is 97% (read more about average acceptance rates across the country).

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