Home > Illinois > Dupage County > Glen Ellyn

St. Petronille School

425 Prospect Ave Ste 100
Glen Ellyn, IL 60137

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Tel: (630) 469-5041

www.stpetschool.org

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St. Petronille School provides a quality educational environment that integrates Catholic beliefs and values while providing each student the opportunity to develop his/her full potential.

Our mission is to teach as Jesus did by modeling His message to all living beings and responding to His word through prayer, love, compassion, service, and forgiveness.

We strive to prepare our students for a life of spiritual, academic, social, physical, and emotional fulfillment.

We at St. Petronille School, a ministry of St. Petronille Parish, believe that the primary purpose of our Catholic School is to take an active role in the teaching mission of the Church.

We believe in fostering a community of believers who manifest their faith in service to others.

We believe in the goals of teaching message (doctrine), developing community (family), encouraging service (involvement), and promoting worship as directed in the National Catholic Directory.

We believe in the education of the whole child ' spiritual, intellectual, physical, social, personal, and emotional through a planned, sequential curriculum that lends itself to diverse learning styles.

We believe in academic excellence based on the individual's potential.

We believe in fostering respect for one's self and others and taking responsibility for one's actions.

We believe in instilling responsibility for good stewardship, both on the local and global levels.

Quick Facts (2026)

Top-Ranked IL School
Grades: Prekindergarten-8
Enrollment: 521 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

Top Rankings

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

School Overview

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-8

School Calendar

View School Calendar

Student Body

Total Students

521 students

Student Body Type

Co-ed

% Students of Color

10%

State avg.: 34%

Students by Grade

Academics and Faculty

Total Classroom Teachers

28 teachers

Student-Teacher Ratio

19:1

National avg.: 11:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

What schools are St. Petronille School often compared to?

St. Petronille School is often viewed alongside schools like St. James The Apostle School by visitors of our site.

What is St. Petronille School's ranking?

St. Petronille School ranks among the top 20% of private schools in Illinois for: Largest student body.

When is the application deadline for St. Petronille School?

The application deadline for St. Petronille 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: 521 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

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Did You Know?

The average private school tuition in Dupage County, IL is $10,889 for elementary schools and $16,898 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Dupage County, IL is 86% (read more about average acceptance rates across the country).