A class reunion is a meeting of former classmates, often organized at or near their former high school or college.
Those attending will usually reminisce about their student days and bring one another up to date on what has happened since they last met.
Searching for former classmates to invite to a reunion is often challenging, as alumni often lose touch with each other.
[1] In film, television, and literature, class reunions have been a device used to show the eruption of emotions such as shame, hatred, and guilt within individual characters who, suddenly faced again with their own youth, become aware that they have been unable to cope with their past.
Another theme of this kind of fiction is former classmates taking up with their old flames again, either because they have developed into an admirable adult or for the opposite reason—because they have not changed at all.