St. Margaret Mary Catholic School Photo #0 - Saint Margaret Mary School Algonquin, Illinois

St. Margaret Mary Catholic School

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St. Margaret Mary Catholic School Photo #1 - Saint Margaret Mary School Algonquin, Illinois
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St. Margaret Mary Catholic School Photo #1 - Saint Margaret Mary School Algonquin, Illinois
St Margaret Mary School is committed to Catholic education, developing faith life, building community and Christian service.
We endeavor to create a school environment that fosters respect for each person, develops healthy self-concept, and is conducive to learning.
We offer a curriculum that develops the total person through science, mathematics, social studies, language arts, the arts and religious studies.
We envision a Catholic education that will assist and develop the student in becoming a person of faith with an open and eager intellect capable of embracing God and the world with courage, love and understanding.
The student will grow in the necessary skills to be effective in each step toward maturity as a Christian citizen.

Quick Facts (2025-26)

  • Grades: Kindergarten-8
  • Enrollment: 213 students
  • Yearly Tuition: $4,059
  • Acceptance rate: 100%
  • Average class size: 20 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

St. Margaret Mary Catholic School ranks among the top 20% of private schools in Illinois for:

Category
Attribute

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Kindergarten-8
Learning Difference Programs
Yes
Year Founded
1955

Student Body

Total Students
213 students
Student Body Type
Co-ed
% Students of Color
9%
State avg.: 34%
Students by Grade
St. Margaret Mary Catholic School Student By Grade

Academics and Faculty

Total Classroom Teachers
9 teachers
Student-Teacher Ratio
24:1
National avg.: 13:1
% Faculty w/Advanced Degree
41%
Average Class Size
20 students

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
This rate is for parishioners. There is a higher rate paid by non-parishioners who enroll their child.
% on Financial Aid
10%
Acceptance Rate
100%
National avg.: 81%
Admissions Director
Amy Johnson
Application URL

Sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
7 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Church ChoirGreen Club
Math MorningsRobotics Club
Spanish LanguageStudent Council


Arts and Music Programs:
Band

Source: Verified school update

Frequently Asked Questions

How much does St. Margaret Mary Catholic School cost?
St. Margaret Mary Catholic School's tuition is approximately $4,059 for private students.
What schools are St. Margaret Mary Catholic School often compared to?
St. Margaret Mary Catholic School is often viewed alongside schools like St. Thomas The Apostle School by visitors of our site.
What is the acceptance rate of St. Margaret Mary Catholic School?
The acceptance rate of St. Margaret Mary Catholic School is 100%, which is higher than the national average of 84%.
What sports does St. Margaret Mary Catholic School offer?
St. Margaret Mary Catholic School offers 5 interscholastic sports: Basketball, Cheering, Cross Country, Track and Field and Volleyball.
When is the application deadline for St. Margaret Mary Catholic School?
The application deadline for St. Margaret Mary Catholic School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2025-26)

  • Grades: Kindergarten-8
  • Enrollment: 213 students
  • Yearly Tuition: $4,059
  • Acceptance rate: 100%
  • Average class size: 20 students
  • Application Deadline: None / Rolling
  • Source: Verified school update

Did You Know?

The average private school tuition in Mchenry County, IL is $5,541 for elementary schools (read more about average private school tuition across the country).
The average acceptance rate in Mchenry County, IL is 97% (read more about average acceptance rates across the country).

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