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Holy Trinity School

510 Church Ave Casco, WI 54205

Tel: (920) 837-7531

holytrinitycasco.com

Quick Facts (2026-27)

Grades: Prekindergarten-7
Enrollment: 33 students
Average class size: 5 students
Application Deadline: None / Rolling
Source: ✓Verified school update

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About the School

Holy Trinity School in Casco, WI, is a rural Catholic co–educational school serving students from pre–kindergarten through grade 7.
The school enrolls 33 students with a student–teacher ratio of 8:1 and an average class size of 5 students.
Founded in 1963, Holy Trinity School offers elementary and early secondary education within a small, community–focused environment.
The faculty includes 4 teachers who provide instruction in a casual dress code setting.
Holy Trinity School is part of the rural educational options available near Casco, WI, alongside other private religious schools within a 10–mile radius.

Quick Facts (2026-27)

Grades: Prekindergarten-7
Enrollment: 33 students
Average class size: 5 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Facts

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-7

Students By Grade

View Data

Distribution of Students By Grade
Grade	Holy Trinity School
Pre-K	11
Kind	2
1	4
2	3
3	4
4	3
5	3
6	2
7	1

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Year Founded

1963

School Calendar

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Student Body

Total Students

33 students

Student Body Type

Co-ed

Academic Profile

Total Classroom Teachers

4 teachers

Student-Teacher Ratio

8:1

National avg.: 11:1

Average Class Size

5 students

Classroom Dress Code

Casual

Tuition & Financial Aid

Admission Deadline

None / Rolling

Application URL

Online Application

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Frequently Asked Questions

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 Wisconsin is $6,439 for elementary schools and $11,296 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Wisconsin is 90% (read more about average acceptance rates across the country).