Holy Trinity School (2026 Profile)

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Quick Facts (2026)

Grades: Prekindergarten-8
Enrollment: 166 students
Average class size: 15 students
Application Deadline: None / Rolling
Source: National Center for Education Statistics (NCES)

School Facts

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)
State or regional independent school association

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-8

Students By Grade

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Distribution of Students By Grade
Grade	Holy Trinity School
Pre-K	26
Kind	9
1	15
2	15
3	9
4	15
5	27
6	12
7	13
8	25

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School Calendar

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Student Body

Total Students

166 students

Student Body Type

Co-ed

% Students of Color

26%

State avg.: 34%

Academics & Faculty

Total Classroom Teachers

17 teachers

Student-Teacher Ratio

10:1

National avg.: 11:1

Average Class Size

15 students

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Application URL

Online Application

School Notes

Holy Trinity School participates in the mission of the Catholic Church as a fully accredited co-educational Catholic School for preschool 3 and 4 years olds, and Kindergarten through 8th grade.
We strive to create and build an educational community of faith where the message of Christ is taught and lived, where community is fostered in an atmosphere of respect, love, caring, and sharing, and where the spirit of Christian service is encouraged.
In this regard, the school provides opportunities to pursue academic excellence, build meaningful relationships, learn responsible citizenship and develop skills for ethical leadership.
We believe that each person is a unique creation of God, endowed with certain talents and abilities.
In the educational and spiritual atmosphere of Holy Trinity School each one is encouraged to develop a fully human life based on his/her uniqueness.
Students become aware of their role as Catholics and of their rich Catholic heritage and are encouraged to become involved Catholic members of society.

Holy Trinity School participates in the mission of the Catholic Church as a fully accredited co-educational Catholic School for preschool 3 and 4 years olds, and Kindergarten through 8th grade.
We strive to create and build an educational community of faith where the message of Christ is taught and lived, where community is fostered in an atmosphere of respect, love, caring, and sharing, and where the spirit of Christian service is encouraged.
In this regard, the school provides opportunities to pursue academic excellence, build meaningful relationships, learn responsible citizenship and develop skills for ethical leadership.
We believe that each person is a unique creation of God, endowed with certain talents and abilities.
In the educational and spiritual atmosphere of Holy Trinity School each one is encouraged to develop a fully human life based on his/her uniqueness.
Students become aware of their role as Catholics and of their rich Catholic heritage and are encouraged to become involved Catholic members of society.

Sample of notable school alumni/alumnae:
- Benjamin Steger - Graduated Magna Cum Laude from Westmont High School in May 2023, received the John Philip Sousa Award, French Award, and Math Department Award. -

Source: National Center for Education Statistics (NCES)

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Frequently Asked Questions

Who are famous alumni from Holy Trinity School?

Holy Trinity School famous alumni include: Benjamin Steger - Graduated Magna Cum Laude from Westmont High School in May 2023, received the John Philip Sousa Award, French Award, and Math Department Award..

When is the application deadline for Holy Trinity School?

The application deadline for Holy Trinity School is rolling (applications are reviewed as they are received year-round).

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Did You Know?

The average private school tuition in Dupage County, IL is $11,029 for elementary schools and $17,054 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Dupage County, IL is 86% (read more about average acceptance rates across the country).