Home > Illinois > St. Clair County > Fairview Heights

Holy Trinity Catholic School

504 Fountains Pkwy
Fairview Heights, IL 62208

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Tel: (618) 628-7395

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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 (2026)

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:

School Overview

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-8

Year Founded

2003

School Calendar

View School Calendar

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.: 11:1

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$4,875

View national tuition avg.

Application URL

Online Application

Source: Verified school update

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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 (2026)

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).