Home > Wisconsin > Kewaunee County > Casco

Holy Trinity School

510 Church Ave
Casco, WI 54205

View full size Get directions

Tel: (920) 837-7531

REQUEST INFO

SAVE 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)

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

School Overview

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-7

Year Founded

1963

School Calendar

View School Calendar

Student Body

Total Students

33 students

Student Body Type

Co-ed

Students by Grade

Academics and Faculty

Total Classroom Teachers

4 teachers

Student-Teacher Ratio

8:1

National avg.: 11:1

Average Class Size

5 students

Classroom Dress Code

Casual

Tuition and Acceptance Rate

Admission Deadline

None / Rolling

Application URL

Online Application

Source: Verified school update

REQUEST FREE INFORMATION

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).

School Reviews

Endorse Holy Trinity School. Endorsements should be a few sentences in length. Please include any comments on:

Quality of academic programs, teachers, and facilities
Availability of music, art, sports and other extracurricular activities
Academic or athletic awards

Recent Articles

June 30, 2026

Learning Support vs. Tutoring: What's Included in Private School Tuition?

Learn the difference between learning support and tutoring, what's typically included in private school tuition, and what parents should ask before enrolling.

June 30, 2026

How to Evaluate Reading and Writing Instruction in the Early Grades

Learn how to evaluate reading and writing instruction in the early grades, including phonics, writing, assessments, and literacy support in private schools.

June 23, 2026

The Social Fit Interview: Questions to Ask Students, Not Admissions

Discover how talking with current students can reveal a private school's true culture and help families assess social fit before enrolling.

Quick Facts (2026)

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

Request Information

Email:

Name of parent:

Student first name:

Student last name:

Student date of birth:

Student is:

Male

Female

Currently in grade:

Seeking entry for grade:

Target start date:

Please briefly describe academic, athletic, and extracurricular interests of the student:

Home address:

City:

Country:

State:

Zip: (enter "N/A" if not applicable)

Phone:

Save this data and create your user profile. Create your own user account so you don't have to re-type your user data each time you request information. You'll also be able to track your information requests, get reminded of application dates, and more!

Username:

Password:

Did You Know?

The average private school tuition in Wisconsin is $6,544 for elementary schools and $11,481 for high schools (read more about average private school tuition across the country).

The average acceptance rate in Wisconsin is 89% (read more about average acceptance rates across the country).