St. John's Northwestern Academies

St. John's Northwestern Academies have been shaping the minds and developing the character of students since 1884.
Academy alumni have attended notable colleges and universities.  As a college preparatory and leader development boarding and day school for boys and girls in grades 6-12, St. John's Northwestern provides a distinctive educational experience for its Military Academy cadets and Prefect Academy preps that focus on academics, athletics, spiritual and character development, and military traditions.
Students are immersed in a safe and secure environment in which they build self-esteem, self-discipline, academic focus, and intellectual curiosity.

Quick Stats (2024)

Top Rankings

St. John's Northwestern Academies ranks among the top 20% of private schools in Wisconsin for:

Sports offered
School History

School Overview

Student Body

Total Students
180 students
Student Body Type
% Students of Color
State avg.: 34%
Students by Grade
St. John's Northwestern Academies Student By Grade

Academics and Faculty

Total Classroom Teachers
35 teachers
Student : Teacher Ratio
National avg.: 13:1
% Faculty w/Advanced Degree
Average Class Size
10 students
Number of AP Courses
5 courses
List of Courses Offered
Advanced Courses
AP Computer Science, AP European History, AP Language & Composition, AP Physics
Average SAT score
(Out of 1600)
Average ACT score
(Out of 36)
Matriculation DataMatric. Data
Classroom Dress Code

Tuition and Acceptance Rate

Admission Deadline
None / Rolling
Yearly Tuition Cost
Tuition Notes
7-Day Boarding: $45,000 5-Day Boarding: $44,000 Day School: $20,500 International: $51,500



Total ExtracurricularsTotal Extra-curric.
5 extracurriculars
Club or Organization:
Boy Scouts, Chess Club, Ski Club

Arts and Music Programs:
Bagpipes, Band

School Notes

  • St. John`s Northwestern Academies prepares boys and girls to become young adults who can achieve their best personal potential for lifetime success by immersing them in a disciplined environment that inspires increased personal growth through core commitments to excellence in Academics, Leadership Skills, Spiritual and Character Development, and Athletics/Wellness.
  • Sample of notable school alumni/alumnae:
    • Daniel Gerber 1916 - Founder and president of Gerber Baby Foods
    • Howard Woodin 1918 - Member of Marquette University Hall of Fame and Green Bay Packers Hall of Fame for football
    • Spencer Tracy 1919 - Distinguished actor; Academy Award winner; appeared in over 70 films
    • Arthur Wermuth 1932 - Major, U.S. Army; World War II hero
    • Edward Noble 1946 - Entrepreneur; developer; and manufacturer; served as a member of President Ronald Regan's staff
    • C. Roosevelt Boettiger 1948 - Grandson of President Franklin D. Roosevelt; U.S. delegate to the United Nations
    • William J. Janklow 1954 - Governor of South Dakota for four terms, longer than anyone in state history
    • Ty Warner 1962 - Founder and C.E.O. of Beanie Babies, Inc., a leader in the toy industry
    • Jay Graf 1966 - Founder and C.E.O. of Guidant Corp., a leader in the heart monitoring field
    • Martin Torrijos Espino 1981 - Former President of Panama from 2004 to 2009
Source: Verified school update

Frequently Asked Questions

How much does St. John's Northwestern Academies cost?
St. John's Northwestern Academies's tuition is approximately $45,000 for private students.
Who are famous alumni from St. John's Northwestern Academies?
St. John's Northwestern Academies famous alumni include: Daniel Gerber 1916, Howard Woodin 1918, Spencer Tracy 1919, Arthur Wermuth 1932, Edward Noble 1946, C. Roosevelt Boettiger 1948, William J. Janklow 1954, Ty Warner 1962, Jay Graf 1966 and Martin Torrijos Espino 1981.
Does St. John's Northwestern Academies offer a summer program?
Yes, St. John's Northwestern Academies offers a summer program. Visit their summer school page for more information.
What sports does St. John's Northwestern Academies offer?
St. John's Northwestern Academies offers 20 interscholastic sports: Alpine Skiing, Archery, Baseball, Basketball, Climbing, Cross Country, Cross Fit, Drill Team, Football, Golf, Ice Hockey, Lacrosse, Marksmanship, Riflery, Soccer, Swimming, Tennis, Track and Field, Weightlifting and Wrestling. St. John's Northwestern Academies is ranked as one of the top 20% of private schools in Wisconsin for most sports offered.
What is St. John's Northwestern Academies's ranking?
St. John's Northwestern Academies 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. John's Northwestern Academies?
The application deadline for St. John's Northwestern Academies is rolling (applications are reviewed as they are received year-round).

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Did You Know?

The average private school tuition in Waukesha County, WI is $8,142 for elementary schools and $18,991 for high schools (read more about average private school tuition across the country).
The average acceptance rate in Waukesha County, WI is 95% (read more about average acceptance rates across the country).

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