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Holy Trinity Catholic School

504 Fountains Pkwy
Fairview Heights, IL 62208
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 Facts (2025-26)

  • 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

School Overview

School Membership(s)School Assoc.
Religious Affiliation
Grades Offered
Grades Prekindergarten-8
Year Founded
2003
School Calendar

Student Body

Total Students
274 students
Student Body Type
Co-ed
% Students of Color
19%
State avg.: 34%
Students by Grade
Holy Trinity Catholic School Student By Grade

Academics and Faculty

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

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).

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Quick Facts (2025-26)

  • Top Ranked IL School
  • Grades: Prekindergarten-8
  • Enrollment: 274 students
  • Yearly Tuition: $4,875
  • Application Deadline: None / Rolling
  • Source: Verified school update

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Did You Know?

The average private school tuition in St. Clair County, IL is $5,259 for elementary schools (read more about average private school tuition across the country).
The average acceptance rate in St. Clair County, IL is 85% (read more about average acceptance rates across the country).

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