Final answer:
Scout learns about human nature, social customs, and relationships through her interactions on the first day of school, recognizing the importance of empathy, social hierarchies, and informal education.
Step-by-step explanation:
On the first day of school in To Kill a Mockingbird, Scout learns several non-academic lessons that are crucial to her understanding of the world. One of the most significant lessons is about the complexities of human nature and social customs.
For instance, through her interaction with her teacher Miss Caroline, Scout begins to understand the social hierarchy and class distinctions present in her community. She also learns about empathy and sees how her actions can be perceived differently by others, as shown when Miss Caroline misunderstands Scout's ability to read and interprets it as defiance.
Another important lesson she learns is about relationships, both in terms of friendship, as with Walter Cunningham, and in conflict, such as when dealing with classmates like Burris Ewell. Overall, Scout's experiences highlight the significance of informal education in understanding societal norms and behaviors.