St. Thomas the Apostle Catholic School, a ministry of St. Thomas the Apostle Parish, strives to educate the whole person through academic excellence and faith formation.
We are a Christ centered community working to build the Kingdom of God.
We teach truth, build character, and inspire service. St. Thomas School is a place "Where everyone matters and counts!".
Quick Facts (2026)
- Top-Ranked IL School
- Grades: Prekindergarten-8
- Enrollment: 309 students
- Yearly Tuition: $5,600
- Average class size: 20 students
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
St. Thomas the Apostle School ranks among the top 20% of private schools in Illinois for:
Category
Attribute
Advanced Degrees
Student Body
Sports offered
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
ADD/ADHD Support
Yes
School Calendar
Student Body
Total Students
309 students
Student Body Type
Co-ed
% Students of Color
4%
State avg.: 34%
Students by Grade
Academics and Faculty
Total Classroom Teachers
18 teachers
Student-Teacher Ratio
17:1
National avg.: 13:1
% Faculty w/Advanced Degree
90%
Average Class Size
20 students
List of Courses Offered
Classroom Dress Code
Casual
Blue pants, khaki pants, jumpers, skirts
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
See website for tuition costs.
Application URL
Sports
Total Sports Offered
9 sports
Extracurriculars
Total ExtracurricularsTotal Extra-curric.
12 extracurriculars
ExtracurricularsExtra-curric.
Geography BeeSpeech Team
Spelling Bee
Club or Organization:
Chess ClubElectronic Playground
Girl/Boy ScoutsRobotics
Scholastic BowlStudent Council
Arts and Music Programs:
BandChoir
Spring Musical
School Notes
- School Motto: Teach Truth, Build Character, and Inspire Service.
- St. Thomas the Apostle Catholic School, a ministry of St. Thomas the Apostle Parish, strives to educate the whole person through academic excellence and faith formation. We are a Christ centered community working to build the Kingdom of God. We teach truth, build character, and inspire service. St. Thomas School is a place "Where everyone matters and counts!"
Source: Verified school update
Frequently Asked Questions
How much does St. Thomas the Apostle School cost?
St. Thomas the Apostle School's tuition is approximately $5,600 for private students.
What sports does St. Thomas the Apostle School offer?
St. Thomas the Apostle School offers 9 interscholastic sports: Baseball, Basketball, Cheering, Cross Country, Golf, Soccer, Softball, Track and Field and Volleyball. St. Thomas the Apostle School is ranked as one of the top 20% of private schools in Illinois for most sports offered.
What is St. Thomas the Apostle School's ranking?
St. Thomas the Apostle School ranks among the top 20% of private schools in Illinois for: Highest percentage of faculty with advanced degrees, Largest student body and Most sports offered.
When is the application deadline for St. Thomas the Apostle School?
The application deadline for St. Thomas the Apostle School is rolling (applications are reviewed as they are received year-round).
Related Schools
Show me:
People that viewed St. Thomas the Apostle School also viewed these schools: Peoria Christian School and Bethel Lutheran School.
The nearest high school, elementary school and preschool to St. Thomas the Apostle School is Peoria Christian School - Monroe (0.4 miles away)
Show me:
Show me:
School
Location
Miles
Quick Facts
3506 N California Avenue
Peoria, IL 61603
(309) 686-4500
Peoria, IL 61603
(309) 686-4500
0.8 miles
Gr: PK-12 | 597 students Avg. class size: 18 students Sports: 10 | Extracurrculars: 13 Tuition & acceptance rate listed
Bethel Lutheran School
(Lutheran Church Missouri Synod)
325 East Queenwood Rd
Morton, IL 61550
(309) 219-6153
Morton, IL 61550
(309) 219-6153
11.8 miles
Gr: PK-8 | 342 students
School Reviews
Endorse St. Thomas the Apostle 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
International Student Support Services in Private Schools
Explore international student support services in private schools, including housing, visa help, and cultural transition resources for 2026.
Free Private Schools & Voucher Programs in 2025
Updated guide to free private schools and school voucher programs, 2025 policies, costs, equity issues, and how families access tuition support.
Social Emotional Learning 2025: Policy, Practice and Outcomes
Updated 2025 review of social emotional learning in schools, research outcomes, key trends, challenges and future paths for parents and educators.
