The technical climax, in my opinion, is when the reader discovers that the Hutchinson family receives the tell-tale black spot. If the rising action focuses on the preparations for and the beginning of the lottery, then the technical climax must be when we discover who wins.

If this is the case, then the dramatic climax occurs when Tessie is the member of the family who draws the black spot again. The tension that the reader experienced throughout the text is finally realized when one knows the exact individual who wins. The reader can assume that the prize is an undesirable one based on the tense behavior of the crowd and Tessie’s immediate protests.

The ultimate resolution occurs with Tessie’s stoning, which includes a chilling description of her youngest son being helped to pick up some stones.

In Shirley Jackson's "The Lottery", the technical climax or the part where the narrative takes a dramatic turn is when Tessie states, "You didn't give him enough time to pick the one he wanted.  I saw you.  It isn't fair"  At this point, we know that the lottery is definitely not something that we want to win.  The dramatic climax is likely when the townspeople begin to pick up the stones after Tessie "won".  Now we know what those rocks were for and we are fairly sure we know what they are going to do.

The resolution of the story is definitely not a pretty picture.  Simply put:  the problem is that someone has to die.  The resolution is that someone does indeed die:  Tessie.  As for the theme, there are many, but my favorite is the one that shows society sometimes blindly follows tradition without asking why.