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
- 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
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.:
Tuition and Acceptance Rate
Admission Deadline
None / Rolling
Source: Verified school update
Frequently Asked Questions
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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People that viewed Holy Trinity Catholic School also viewed these schools: Governor French Academy, Holy Childhood Of Jesus School, St. Clare Catholic School, Blessed Sacrament School and St. Teresa Catholic School.
The nearest high school and elementary school to Holy Trinity Catholic School is First Baptist Academy (1.6 miles away)
The nearest preschool is Berean Christian School (2.0 miles away)
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Miles
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(618) 233-7542
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(618) 566-2922
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St. Clare Catholic School
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O Fallon, IL 62269
(618) 632-6327
O Fallon, IL 62269
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Blessed Sacrament School
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(618) 397-1111
Belleville, IL 62223
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St. Teresa Catholic School
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(618) 235-4066
Belleville, IL 62221
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