Faithful to God, whose name graces our school, Holy Trinity Catholic School strives to embody a community of the faithful joined intimately with Christ, the incarnate revelation of the Father, through the unifying love of the Holy Spirit.
The parish communities of Fairview Heights, Caseyville, and the surrounding areas, in communion with the Devine persons, are committed to education children and forming disciples of Christ through the disciplines of academic excellence, prayer, spiritual and moral formation, apostolic action, social awareness, and responsibility.
It is our mission to empower parents, the primary educators of our children, in their role of passing on the lifelong values and traditions of the Roman Catholic faith.
In the compassionate spirit of the Holy Trinity, our vision is an innovative, challenging, high quality Catholic education that creates a powerful parish community, which inspires our children to realize their individual dreams fostering a life-long commitment to learning.
Quick Stats (2025)
- Top Ranked IL School
- Grades: Prekindergarten-8
- Enrollment: 274 students
- Yearly Tuition: $4,875
- Application Deadline: None / Rolling
- Source: Verified school update
Top Rankings
Holy Trinity Catholic School ranks among the top 20% of private schools in Illinois for:
Category
Attribute
Student Body
School Overview
School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
2003
School Calendar
First Day of School
Fri. Aug 15, 2025
Student Body
Total Students
274 students
Student Body Type
Co-ed
% Students of Color
19%
State avg.: 34%
Students by Grade

Academics and Faculty
Total Classroom Teachers
17 teachers
Student : Teacher Ratio
16:1
National avg.: 13:1
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Yearly Tuition Cost
Application URL
Source: Verified school update
Frequently Asked Questions
How much does Holy Trinity Catholic School cost?
Holy Trinity Catholic School's tuition is approximately $4,875 for private students.
What is Holy Trinity Catholic School's ranking?
Holy Trinity Catholic School ranks among the top 20% of private schools in Illinois for: Largest student body.
When is the application deadline for Holy Trinity Catholic School?
The application deadline for Holy Trinity Catholic School is rolling (applications are reviewed as they are received year-round).
School Reviews
Endorse Holy Trinity Catholic 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

June 09, 2025
Is It Easier to Land a Private School Job When You're Already Employed?Is it easier to land a private school job when you're already employed? This article breaks down employer biases, networking advantages, and negotiation leverage—plus the latest hiring trends in independent schools. If you’re considering a move, here’s how to maximize your position.

June 09, 2025
How to Secure a Private School Job When You're Unemployed Without the StigmaFinding a private school job while unemployed can be tough, but it doesn't have to hold you back. This article breaks down networking strategies, ways to stand out, and smart approaches to keep your confidence strong. Learn how to turn setbacks into strengths and secure the right opportunity—without the stigma.

June 09, 2025
The Private School Job Hunt: Insider Tips for Employed & Unemployed EducatorsNavigating the private school job market? Whether you're employed or unemployed, the right strategy can make all the difference. This article breaks down essential steps to keep your resume sharp, expand your network, and stay visible in the education community. Learn insider tips to position yourself for success in private schools.