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Assumption School Photo #1 - Assumption School O'Fallon has a state-of-the-art campus and is a partner of Assumption of the Blessed Virgin Mary Parish.
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Assumption School Photo #1 - Assumption School O'Fallon has a state-of-the-art campus and is a partner of Assumption of the Blessed Virgin Mary Parish.
Assumption Catholic School has been educating children for more than 150 years and consists of more than 400 students in pre-K through eighth grades.
In addition to providing children with a faith-based education, the school offers a rigorous academic program and grading scale, and a state-of-the-art campus with features that include a STREAM lab, STEM Robotics Teams, 1-1 technology, Certified Nature Explorer Classroom, after school enrichment courses, summer camps, before and after school care, and weekly Mass and prayer services.

Quick Stats (2022-23)

  • Top Ranked MO School
  • Grades: Prekindergarten-8
  • Enrollment: 412 students
  • Average class size: 19 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

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

Category
Attribute
School History

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1871

Student Body

Total Students
412 students
Student Body Type
Co-ed
% Students of Color
4%
State avg.: 18%
Students by Grade
Assumption School Student By Grade

Academics and Faculty

Total Classroom Teachers
26 teachers
Student : Teacher Ratio
16:1
National avg.: 13:1
Average Class Size
19 students
Classroom Dress Code
Casual
Plaid skirts for girls

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Endowment Size
$0.6 million

Sports

Total Sports Offered
5 sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
8 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Mad Science, Robotics Club, Rosary Club, Summer Camps

Arts and Music Programs:
A+ Art, Choir, Dance Classes

Recreational Athletic Programs:
Yoga

School Notes

Welcome to Assumption Catholic School.  We have been educating students of all backgrounds in the Catholic tradition for over 150 years.  In a partnership with parents, we raise their children with education rooted in the Gospel message of love and acceptance.  We offer full and part-time Pre-Kindergarten programs starting at the age of 3 and continuing through 8th grade.  
  •  In addition to providing children with a faith-based education, the school offers a rigorous academic program and grading scale, and a state-of-the-art campus with features that include a STREAM lab, STEM Robotics Teams, 1-1 technology, Certified Nature Explorer Classroom, after school enrichment courses, summer camps, before and after school care, and weekly Mass and prayer services.
  • Our Mission:  United in Christ and guided by the spirit of our Blessed Mother, Assumption School is rooted in the Gospel message of love and acceptance.  In educating the whole person, "Mind, Body, and Spirit", we transform each student through the power of faith and knowledge, inspiring each to bring Christ to the world.
  • There are many things that set Assumption Catholic School apart from other schools, and it all begins with the personal attention the teachers and staff provide to every student and their family.  Teachers model Christ by example, and inspire students to learn, live and love as Christ at school, at home and in life.
  • Teachers regularly communicate with parents and families, as well as students, to foster a complete sense of community.  You will feel welcome and at home from the very beginning.  At Assumption School, that caring and loving approach supports excellent educational and personal growth and development.
  • Through our confidential financial support process, education at Assumption Catholic School can be affordabpe for your family.  We believe that no student should be denied the advantages of joining the Assumption family due to financial reasons.
  • Reach out today to learn more.  We invite you to make an appointment and get a feel for the Assumption family.  You will experience the difference from the moment you walk in the door.
Source: Verified school update

Frequently Asked Questions

What sports does Assumption School offer?

Assumption School offers 5 interscholastic sports: Baseball, Basketball, Golf, Soccer and Volleyball.

What is Assumption School's ranking?

Assumption School ranks among the top 20% of private schools in Missouri for: Largest student body and Oldest founding date.

When is the application deadline for Assumption School?

The application deadline for Assumption School is rolling (applications are reviewed as they are received year-round).

School Reviews

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Quick Stats (2022-23)

  • Top Ranked MO School
  • Grades: Prekindergarten-8
  • Enrollment: 412 students
  • Average class size: 19 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in St. Charles County, MO is $6,899 for elementary schools (read more about average private school tuition across the country).
The average acceptance rate in St. Charles County, MO is 93% (read more about average acceptance rates across the country).

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