St. Thomas Aquinas Academy (Top Ranked Private School for 2026)

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About the School

St. Thomas Aquinas Academy in Marinette, WI, serves co–ed udents from pre–kindergarten through 12th grade in a town setting.
The school was founded in 1876, making it one of the olde private schools in the area.
Enrollment totals 164 udents with a student–teacher ratio of 9:1 supported by 18 teachers.
The udent body includes 7% students of color, reflecting some diversity within the school community.
As a Catholic school,.
Thomas Aquinas Academy follows a formal dress code and emphasizes religious affiliation in its programs.

Quick Facts (2026)

Top Ranked WI School
Grades: Prekindergarten-12
Enrollment: 164 students
Application Deadline: None / Rolling
Source: ✓Verified school update

School Rankings

St. Thomas Aquinas Academy ranks among the top 20% of private schools in Wisconsin for:

School Facts

School Membership(s)School Assoc.

State or regional independent school association

Religious Affiliation

Catholic

Grades Offered

Grades Prekindergarten-12

Students By Grade

View Data

Distribution of Students By Grade
Grade	St. Thomas Aquinas Academy
Pre-K	15
Kind	10
1	11
2	7
3	15
4	8
5	10
6	11
7	16
8	21
9	6
10	13
11	16
12	5

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Year Founded

1876

Colors

Green, Gold

School Calendar

View School Calendar

Student Body

Total Students

164 students

Student Body Type

Co-ed

% Students of Color

State avg.: 35%

Academics & Faculty

Total Classroom Teachers

18 teachers

Student-Teacher Ratio

9:1

National avg.: 11:1

Classroom Dress Code

Formal

Tuition & Acceptance Rate

Admission Deadline

None / Rolling

Tuition Notes

Tuition rates vary by grade level, please see our website or follow this link www.saintthomasaquinasacademy.org

Application URL

Online Application

Sports

Total Sports Offered

8 sports

Sports

BaseballBasketball

Cross CountryFootball

GolfSoftball

Track and FieldVolleyball

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Frequently Asked Questions

What schools are St. Thomas Aquinas Academy often compared to?

St. Thomas Aquinas Academy is often viewed alongside schools like Trinity Evangelical Lutheran School by visitors of our site.

What sports does St. Thomas Aquinas Academy offer?

St. Thomas Aquinas Academy offers 8 interscholastic sports: Baseball, Basketball, Cross Country, Football, Golf, Softball, Track and Field and Volleyball. St. Thomas Aquinas Academy is ranked as one of the top 20% of private schools in Wisconsin for most sports offered.

What is St. Thomas Aquinas Academy's ranking?

St. Thomas Aquinas Academy ranks among the top 20% of private schools in Wisconsin for: Most sports offered and Oldest founding date.

When is the application deadline for St. Thomas Aquinas Academy?

The application deadline for St. Thomas Aquinas Academy is rolling (applications are reviewed as they are received year-round).

School Reviews

5 11/28/2025

I graduated from this school in the 1970s. Thanks to the education I received I graduated from the University of Wisconsin and had successful careers in broadcasting and government.

- Posted by Student/Alumni - Wayne

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Did You Know?

The average private school tuition in Wisconsin is $6,539 for elementary schools and $11,665 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).