Celebration for seniors

CLASSDAY

This annual event marks the end of classes before graduation ceremonies begin.

"Celebration for seniors" refers to an event honoring graduating students, often called "Class Day" at many schools. The answer is "CLASSDAY," a term commonly used for ceremonies or festivities held for seniors before commencement. It’s straightforward—no wordplay here—just a direct nod to the traditional name for this kind of celebration. Think caps, gowns, and speeches, but more casual than the main graduation.