Holy Trinity Catholic School

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.

School Overview

School Membership(s)School Assoc.National Catholic Educational Association (NCEA)
Religious AffiliationRoman Catholic
Grades OfferedGrades Prekindergarten-8

Student Body

Total Students242 students
Student Body TypeCo-ed
% Students of Color
State avg.: 31%
Students by Grade Holy Trinity Catholic School Student By Grade

Academics and Faculty

Total Classroom Teachers14 teachers
Student : Teacher Ratio17:1
National avg.: 13:1

Finances and Admission

Admission DeadlineNone / Rolling
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  • School Location Miles Grades Students
  • Belleville
    Grades: PK-12 | 113 students
    6.2 miles
    219 West Main Street
    Belleville, IL 62220
    (618) 233-7542
    6.2 PK-12
  • Belleville
    Grades: PK-12 | 48 students
    6.2 miles
    413 E Main St
    Belleville, IL 62220
    (618) 234-3391
    6.2 PK-12
  • Belleville
    Grades: NS-8 | 240 students
    5.2 miles
    1108 Lebanon Avenue
    Belleville, IL 62221
    (618) 235-4066
    5.2 NS-8
  • Mascoutah
    Holy Childhood School
    (Roman Catholic)
    Grades: PK-8 | 211 students
    12.2 miles
    215 N John St
    Mascoutah, IL 62258
    (618) 566-2922
    12.2 PK-8
  • O Fallon
    Grades: NS-8 | 467 students
    3 miles
    214 W 3rd St
    O Fallon, IL 62269
    (618) 632-6327
    3 NS-8

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The average private school tuition in Illinois is $6,345 for elementary schools and $12,397 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Illinois is 91% (read more about average acceptance rates across the country).