Welcome
Old Boys & Alumni
Welcome to all Old Boys/Alumni of St. John's Northwestern Academies. This includes: St. John's Military Academy, Northwestern Military & Naval Academy, St. John's Northwestern Military Academy and St. John's Northwestern Prefect Academy.
On this website you will find all official OBAA information regarding meetings, OBAA events, chapter events, and Alumni and Academy announcements.
This site will allow direct donations to the OBAA. Visit the about us page for more information about the OBAA.






























OBAA NEWS


OBAA Board Of Directors Quarterly Meeting July 2025


OBAA Board Of Directors Commencement Meeting 2025


Alumni Town Hall Meeting with President Fine


The Excalibur 2025


Special Alumni/Old Boys/Parents Reunion in Mexico 2025


OBAA Quarterly Meeting Feb 2025


Final Salute Nikki Cummings SJN'16


Fall 2024 Beacon


OBAA Alumni & Friends Holiday Party!


OBAA Pig & Chicken Roast 2024


OBAA Quarterly Meeting at Homecoming


Parents Club Pancake Breakfast


OBAA Quarterly Meeting July 27, 2024


Early Bird Special for Sox vs Cubs game!


OBAA All-Class Reunion Cocktail Reception


OBAA Outing Sox vs Cubs 2024


Board Of Directors Meeting at Commencement & Reunion weekend


2024 Commencement and Reunion Weekend


40th Anniversary of The Excalibur


2024 ST. Patrick's Day Parade


Alumni Gathering in Las Vegas!


Mexico Alumni Trip


OBAA Quarterly Meeting January 2024


2023 OBAA Holiday Party! Saturday, December 2nd, 4PM to 8PM


OBAA Quarterly Meeting @ Homecoming


2023 Pig & Chicken Roast


Message from SJNA President: Land Development


OBAA All-Class Reunion Cocktail Reception


OBAA, Sox vs. Cubs Outing at Guaranteed Rate Field.


A Decade to Remember - Friday, May 26th, 2023


OBAA Board of Director's Meeting - Friday, May 26th, 2023


OBAA Board of Directors Meeting February 4th, 2023


Veterans Day Ceremony


1st Vice President Cory Byrnes S' 09 Resigns


OBAA Board of Directors Meeting -Homecoming Weekend 2022


Homecoming & Families Weekend 2022 & OBAA Pig & Chicken Roast
Update your information to Stay informed
Click the button below to update your contact information. The OBAA would like to make sure all Old Boys/Alumni are kept informed of all upcoming events both on and off campus.
CONTACT
Old Boys Alumni Association
of St. John's Northwestern Academies
1101 Genesee Street
Delafield, WI 53018
Email: info@obaasjn.org