St. William Catholic School (2026 Profile)

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Quick Facts (2026)

Grades: Prekindergarten-8
Enrollment: 181 students
Yearly Tuition: $2,050
Average class size: 17 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

St. William Catholic School ranks among the top 20% of private schools in Wisconsin for:

School Facts

School Membership(s)School Assoc.

National Catholic Educational Association (NCEA)

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-8

Students By Grade

View Data

Distribution of Students By Grade
Grade	St. William Catholic School
Pre-K	26
Kind	18
1	24
2	20
3	25
4	14
5	10
6	20
7	13
8	11

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Year Founded

1954

Student Body

Total Students

181 students

Student Body Type

Co-ed

% Students of Color

State avg.: 35%

Academics & Faculty

Total Classroom Teachers

12 teachers

Student-Teacher Ratio

15:1

National avg.: 11:1

% Faculty w/Advanced Degree

10%

Average Class Size

17 students

Classroom Dress Code

Casual

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Yearly Tuition Cost

$2,050

View national tuition avg.

Tuition Notes

Additional $600 per family if non-parishioner

% on Financial Aid

10%

Average Financial Aid Grant

$800

Admissions Director

Diane Rebout, Principal

Sports

Total Sports Offered

4 sports

Sports

BasketballCross Country

Track and FieldVolleyball

Extracurriculars

Total ExtracurricularsTotal Extra-curric.

3 extracurriculars

ExtracurricularsExtra-curric.

Club or Organization:

Lego League

Arts and Music Programs:

BandChoir

School Notes

Saint William Catholic School encourages each student to achieve academic, personal, and spiritual goals within an environment of trust, Catholic values, and cooperation between school, home and community. We focus on educating the whole child. Our curriculum fosters growth in spiritual, academic, and social well-being while building a healthy self-image.
Our school environment fosters high expectations that encourage the development of independent, resourceful, life-long learners.
At the same time we encourage that marvelous self-motivational characteristics of preschoolers "natural curiosity and wonder." We believe the child's first school experience should be self affirming, challenging, and fun.
We are proud to welcome your child to a positive learning environment.
Our teachers are experienced, qualified, and certified.

Source: Verified school update

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Frequently Asked Questions

How much does St. William Catholic School cost?

St. William Catholic School's tuition is approximately $2,050 for private students.

What schools are St. William Catholic School often compared to?

St. William Catholic School is often viewed alongside schools like St. Mary Elementary School, St. John Vianney School by visitors of our site.

What sports does St. William Catholic School offer?

St. William Catholic School offers 4 interscholastic sports: Basketball, Cross Country, Track and Field and Volleyball.

When is the application deadline for St. William Catholic School?

The application deadline for St. William Catholic 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 Janesville, WI is $3,918 for elementary schools (read more about average private school tuition across the country).