The climax of the story "seventh grade" occurs when

When Theresa sees Victor in the lunch area

Explanation:

The story centers around the Victor and Theresa. Particularly significant is the fact that Victor was frustrated as he didn't have any more classes with Theresa. This results in a rift in the relationship between the two people. Victor, in an attempt to repair the deteriorating relationship, tries to woo Theresa by pretending that he knew French. However, the main interesting part was when Theresa saw Victor during lunch.

Hey there

The climax of the story is when Victor attempts to speak French. The beginning of the story when you learn characters, setting, and main conflict.