What was stolen at Addie's school?

In the context of the story, the correct answer identifies the unique and specific item that was stolen, which in this case is earthworms. The theft of earthworms stands out because it emphasizes a significant event that impacts Addie and her school environment, showcasing the unusual nature of the incident. This detail not only sets the tone for the plot but also highlights the importance of earthworms to the school's curriculum, possibly relating to an environmental or science project. It also indicates the impact of this theft on the community's sense of safety and normalcy within the school. The other items listed, although they could also be associated with a school setting, do not hold the same narrative significance or uniqueness related to the central theme of the story.