St. Peter School provides a quality education built on Catholic values and teachings.
The mission of St. Peter School is to assist parents in their role as the primary educators of their children by providing quality education rooted in Catholic values and teachings.
Through the programs offered, St. Peter faculty and staff strive to challenge each student to reach full potential through spiritual, moral, intellectual, social and physical development so that he/she may become an intelligent, compassionate person who incorporates Catholic Christian values into everyday living.
Quick Facts (2025-26)
- Top Ranked IL School
- Grades: Prekindergarten-8
- Enrollment: 466 students
- Yearly Tuition: $5,260
- Average class size: 22 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Peter School ranks among the top 20% of private schools in Illinois for:
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
1861
School Calendar
Last Day of School
Mon. May 25, 2026
Student Body
Total Students
466 students
Student Body Type
Co-ed
% Students of Color
2%
State avg.: 34%
Students by Grade

Academics and Faculty
Total Classroom Teachers
25 teachers
Student-Teacher Ratio
19:1
National avg.: 13:1
Average Class Size
22 students
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL
School Notes
- Sample of notable school alumni/alumnae:
- Fr. Augustus Tolton - First recognized African American priest in the United States. -
Source: Verified school update
Frequently Asked Questions
How much does St. Peter School cost?
St. Peter School's tuition is approximately $5,260 for private students.
What schools are St. Peter School often compared to?
St. Peter School is often viewed alongside schools like St. Francis Solanus School by visitors of our site.
Who are famous alumni from St. Peter School?
St. Peter School famous alumni include: Fr. Augustus Tolton - First recognized African American priest in the United States..
What is St. Peter School's ranking?
St. Peter School ranks among the top 20% of private schools in Illinois for: Largest student body and Oldest founding date.
When is the application deadline for St. Peter School?
The application deadline for St. Peter School is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse St. Peter School. Endorsements should be a few sentences in length. Please include any comments on:
- Quality of academic programs, teachers, and facilities
- Availability of music, art, sports and other extracurricular activities
- Academic or athletic awards
Recent Articles

Transferring from Public to Private School Mid-Year: What to Expect
Considering a mid-year transfer from public to private school? Learn what to expect with admissions, academic placement, social adjustment, and financial aid to ensure a smooth transition.

A Guide to Day vs. Boarding School: Which Is Right for Your Family
Discover the key differences between day and boarding schools to determine the best fit for your child. Explore benefits, costs, lifestyle factors, and questions to help guide your family’s decision.

The A to Z of Private Schools 2025
Explore the A to Z of private schools in 2025—from admissions to tuition—offering parents and educators clear insights into today’s options.