St. John's Northwestern Academies (2026 Profile)

5.00 (4 reviews)

Tel: (262) 646-7199

1101 Genesee Street
Delafield, WI 53018

www.sjnacademies.org

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St. John's Northwestern Academies Photo #1 - St. John's Northwestern Academies is an independent, coeducational, college preparatory boarding and day school for grades 6-12. Since 1884, they develop moral and ethical leaders who are inspired to improve the world through two paths! Their Military Academy pursues its mission using military leader development principles. Their Prefect Academy pursues its mission using contemporary organizational leader development principles. #LeadershipLivesHere

St. John's Northwestern has 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 young men and women in grades 6 through 12, St. John's Northwestern Academies is a safe, structured environment that provides each student a foundation for life with specialized programs that are built with future aspirations in mind.

Surrounded by English gothic-style architecture, broad lawns, and towering trees, students living within the historic campus are immersed in a safe and secure environment in which they build self-esteem, self-discipline, academic focus and intellectual curiosity that allows them to "work hard, play hard, pray hard."

Quick Facts (2026)

Grades: 6-12, PG
Enrollment: 201 students
Yearly Tuition (Boarding Students): $49,100
Yearly Tuition (Day Students): $24,800
Acceptance rate: 84%
Average class size: 12 students
Application Deadline: None / Rolling
Source: Verified school update

Top Rankings

St. John's Northwestern Academies ranks among the top 5 military schools (out of 17 military schools) for:

School Overview

| 2025 School Data

St. John's Northwestern Academies

Boarding School Avg.

School Focus

College-Prep Military

College Preparatory

Grades Offered

6-12, PG

9-12

School Type

Co-ed

ADD/ADHD Support

Yes

Religious Affiliation

Episcopal

Non-denominational

Year Founded

1884

1909

Campus Size

80 acres

125 acres

School Calendar

View School Calendar

School Motto

Not specified

Student Body

Enrollment

201 students

300 students

% Students of Color

24%

25%

% International Students

37%

20%

% Students Boarding

86%

70%

Average SAT Score

1130
(Out of 1600)

* National Avg. »View

Average ACT score

23
(Out of 36)

*National Avg. »View

Offers Post-Grad Year

Yes

Academic Profile

Saturday Classes

Classroom Dress Code

Formal
Uniforms

Casual

Average Class Size

12 students

* National Avg. »18

Student-Teacher Ratio

12:1

7:1

# of AP / Advanced Courses Offered

ESL Courses Offered

Yes

% Faculty with Advanced Degree

50%

70%

Summer Program Offered

Yes

Summer Program Details

View Summer Program Details

# of AP / Advanced Courses Offered

Courses

Calculus Chemistry

Literature and Composition Physics

Statistics U.S. History

Biology

Tuition & Financial Aid

Yearly Tuition
(Boarding Students)

$49,100

$59,900

Yearly Tuition
(Day Students)

$24,800

$33,500

Tuition international students

$56,300

$53,975

Yearly Tuition
(5 Day Boarding)

$39,900

$44,000

Summer Program Cost

$5,900
(sjnacademies.org)

Merit Scholarships Offered

Yes

Admissions

Application Deadline

None / Rolling

Jan. 15

Acceptance Rate

84%

58%

Director of Admissions

Juan Garcia

Application URL

Online Application

Sports

# Interscholastic Sports Offered

Sports

BaseballBasketball

Cross CountryDrill Team

Track and FieldWrestling

Colors

Not specified

School Mascot

Lancers

School Notes

As a college preparatory and leader development, boarding and day school for young men and women in grades 6 through 12, St. John's Northwestern Academies educates and develops young men and women to be responsible citizens, as well as moral and ethical leaders who are inspired to take advantage of today and tomorrow's opportunities. They achieve this through their foundational pillars of academic excellence, enriching spiritual and character development, outstanding athletic programs, and premier leader development training in a secure, nurturing and inclusive environment.
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

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Frequently Asked Questions

How much does St. John's Northwestern Academies cost?

St. John's Northwestern Academies's tuition is approximately $49,100 for boarding students and $24,800 for day students.

What is the acceptance rate of St. John's Northwestern Academies?

The acceptance rate of St. John's Northwestern Academies is 84%, which is higher than the boarding school average of 58%.

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.

What sports does St. John's Northwestern Academies offer?

St. John's Northwestern Academies offers 16 interscholastic sports: Baseball, Basketball, Cross Country, Drill Team, Football, Golf, Ice Hockey, Lacrosse, Orienteering, Riflery, Soccer, Softball, Swimming, Tennis, Track and Field and Wrestling. St. John's Northwestern Academies is ranked as one of the top boarding schools for most sports offered.

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 is St. John's Northwestern Academies's ranking?

St. John's Northwestern Academies ranks among the top 20 boarding schools for Small average class sizes, Most sports offered, High average SAT scores, High ACT scores 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).

Alumni Reviews Review School

Review

Description

St. John's Northwestern Academies Alumni #1
Class of 2004
5.005/2/2019
MSOE, UW- Green Bay

SJNMA offers a unique and safe environment. The faculty care about the cadets more than anything else. It's safe location physically located in the suburbs along with on campus security provide a great place. . .

St. John's Northwestern Academies Alumni #2
Class of 2012
5.005/2/2019
College of DuPage

I liked that we had structure. It taught me how to be on time and responsible. I also really liked that it was all guys. It made it easier to learn. Our teachers bent over. . .

St. John's Northwestern Academies Alumni #3
Class of 2014
5.005/2/2019
Marquette University

The military traditions sets the school apart from other more traditional boarding school experiences. Very structured but always surrounded by other cadets in your company that doesn't make it feel like "all work and no. . .

Show more reviews (1 review)

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