DeMatha offers a variety of co-curricular activities to appeal to the interests and abilities of a wide range of students.

They include varsity, junior varsity, freshmen and intramural athletics, service organizations, student publications, special interest clubs, student government, National Honor Society and elective bands and choral ensembles. DeMatha responds to the requests of students to develop clubs to pursue their interests.

Please see the Daily Bulletin for information on club meeting days and locations.

Club/Activity	Moderator(s)
Academic Quiz Bowl	Mr. Lattanzi
Automotive Enthusiast Club	Mrs. Landersman
Ecology Club	Mr. Hager and Mrs. Stockton
Anime Club	Mr. Seldon
Art Club	Mr. Holsey
Big Brothers/DMLI	Mrs. Stockton
Black Student Union	Mr. Holsey, Mr. Ayala and Mr. Garrett
Board Game Club	Mr. Connerman
Conspiracy Theory Club	Mr. Ptomey
Chess Club	Mr. Carroll and Mr. Twigg
The Crank Box (DJ)	Mr. Austin
DeMatha Latino Community	Ms. Galan
DeMatha Players	Mr. Rafferty
Dungeon and Dragons Club	Mr. Seldon
Food Club	Mrs. Murphy
Jazz Ensemble	Mr. Roper
Jazz Lab	Mr. Castrillon
Mock Trial	Mr. McConnell
Music Production	Mr. Eck
National Honor Society	Mr. Davies and Mrs. McGrath
Pep Band	Mr. Bickel
Ping Pong/Table Tennis Club	Mr. Holsey
Origami Club	Mr. Holsey
Robotics Club	Mr. Blorstad
Science Scholars	Mr. Reeves
Sports Broadcasters	Mr. Revkin
Sports Debate Club	Mr. Lattanzi
Students Against Destruction Decisions (SADD)	Mrs. Murphy
Student Government Association (SGA)	Mr. Gardiner
The Society of Christian Gentlemen	Mr. Ptomey
The Stagline (school newspaper)	Mr. Carroll
Video Game Club	Mr. Seldon