Upper School Clubs
- Andalusian Newspaper
- Audio Engineers
- Better Together
- Biolympiad
- Book Club
- Brain Bowl Team
- Chess Club
- Company/ Int'l Thespian Society
- Cum Laude Society
- Film Club
- French Honor Society / Le Cercle Français
- Freshmen Class
- Glee Club
- Green Club
- Junior Class
- Junior Classical League
- Key Club
- Maclay Community Service Club
- Maclay Student Ambassadors
- Marauder Yearbook
- Model U.N.
- Mu Alpha Theta
- Multicultural Awareness Club
- Music Club
- National Art Honor Society
Andalusian Newspaper
Audio Engineers
Better Together
Biolympiad
Book Club
Brain Bowl Team
Chess Club
Company/ Int'l Thespian Society
Cum Laude Society
Film Club
French Honor Society / Le Cercle Français
Freshmen Class
Glee Club
Green Club
Junior Class
Junior Classical League
Key Club
Maclay Community Service Club
Maclay Student Ambassadors
Marauder Yearbook
Model U.N.
Mu Alpha Theta
Multicultural Awareness Club
Music Club
National Art Honor Society
- National Computer Science Honor Society
- National Honor Society
- Notes from the Underground
- Outdoors Club
- Philanthropy Club
- Pickleball Club
- Quill & Scroll ~ Journalism Honor Society
- Rho Kappa, History Honor Society
- SAAC
- Science National Honor Society
- Science Olympiad
- Senior Class
- Smash Club/ESports
- Sophomore Class
- Spanish Honor Society
- Spectrum Club
- Sports Analytics
- Strategy Gaming Club
- Student Astronaut Challenge
- Things That Matter
- Upper School Student Council
- WEvolve