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Holy Trinity School

510 Church Ave Casco, WI 54205

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
Grades Offered
Grades Prekindergarten-7
Students By Grade
Year Founded
1963
School Calendar

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.:
Average Class Size
5 students
Classroom Dress Code
Casual

Tuition & Financial Aid

Admission Deadline
None / Rolling
Application URL

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).

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