The gym and auditorium for John Endecott Memorial are one combined space. A stage is present along one wall of the room and a set of bleachers sit opposite for seating during any assemblies or announcements, although the curtains are kept drawn unless there is a performance occurring, additional floor seating is also put out for these occasions. The main floor of the gym has markings set up for basketball, volleyball, soccer as well as some other sports. The hall itself is high-ceiling and has basketball pairs of basketball hoops situated at either end.