St. William School

St. William School, a Catholic elementary school celebrating more than 100 years of academic excellence in the Montclare-Galewood community.
We are a Catholic elementary school that is an integral part of our parish.
We offer our students and their families "The four corners of success"- academic excellence, spiritual formation, social development, and moral growth.
Our dedicated, experienced faculty provides every child with the best education possible so that all St. William graduates are prepared to go out and make a difference in their own lives, the lives of others, and the world. We, the St. William School Community, are united in our mission to educate children and nourish their spirit as we proclaim the Gospel of Jesus Christ.
We celebrate our diversity as we minister to students, families and the community, working together to instill gospel values, foster Christian attitudes and practice social justice.

Quick Facts (2026)

  • Top-Ranked IL School
  • Grades: Prekindergarten-8
  • Enrollment: 175 students
  • Yearly Tuition: $5,110
  • Application Deadline: None / Rolling
  • Source: Verified school update

Top Rankings

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

Category
Attribute
School History

School Overview

Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1916
School Calendar

Student Body

Total Students
175 students
Student Body Type
Co-ed
% Students of Color
83%
State avg.: 34%
Students by Grade
St. William School Student By Grade

Academics and Faculty

Total Classroom Teachers
11 teachers
Student-Teacher Ratio
16:1
National avg.: 13:1

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
Scholarships and Financial Aid Available
Average Financial Aid Grant
$500
Admissions Director
Maria Montes De Oca
Application URL

Sports

Total Sports Offered
4 sports

Extracurriculars

Total ExtracurricularsTotal Extra-curric.
8 extracurriculars
ExtracurricularsExtra-curric.
Club or Organization:
Altar ServersBoy Scouts
Chess ClubChoir and Band
EngineeringGirl Scouts
STEM Club


Arts and Music Programs:
Art Club

School Notes

  • St. William School, a Catholic elementary school celebrating more than 80 years of academic excellence in the Montclare-Galewood community. We are a Catholic elementary school that is an integral part of our parish. We offer our students and their families "The four corners of success"- academic excellence, spiritual formation, social development, and moral growth. Our dedicated, experienced faculty provides every child with the best education possible so that all St. William graduates are prepared to go out and make a difference in their own lives, the lives of others, and the world. We, the St. William School Community, are united in our mission to educate children and nourish their spirit as we proclaim the Gospel of Jesus Christ. We celebrate our diversity as we minister to students, families and the community, working together to instill gospel values, foster Christian attitudes and practice social justice.
Source: Verified school update

Frequently Asked Questions

How much does St. William School cost?
St. William School's tuition is approximately $5,110 for private students.
What schools are St. William School often compared to?
St. William School is often viewed alongside schools like St. Celestine School by visitors of our site.
What sports does St. William School offer?
St. William School offers 4 interscholastic sports: Basketball, Soccer, Softball and Volleyball.
What is St. William School's ranking?
St. William School ranks among the top 20% of private schools in Illinois for: Oldest founding date.
When is the application deadline for St. William School?
The application deadline for St. William School is rolling (applications are reviewed as they are received year-round).

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Quick Facts (2026)

  • Top-Ranked IL School
  • Grades: Prekindergarten-8
  • Enrollment: 175 students
  • Yearly Tuition: $5,110
  • Application Deadline: None / Rolling
  • Source: Verified school update

Did You Know?

The average private school tuition in Cook County, IL is $13,499 for elementary schools and $19,368 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Cook County, IL is 83% (read more about average acceptance rates across the country).

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