Scout's disappointment with her education extends past her awful first day in the first grade. She knows she has been "cheated out of something," but she assumes that the remainder of her school years will not simply be "twelve years of unrelieved boredom." But the second grade offers no relief.
The second grade was grim, but Jem assured me that the older I got the better school would be... (Chapter 7)
Scout has developed a severe case of puppy love for Dill. He has become her "permanent fiance," and they often sneak kisses when Jem is not looking. When Dill is away from Maycomb, she misses
... the longings we sometimes felt each other feel. With him, life was routine; without him, life was unbearable. I stayed miserable for two days. (Chapter 12)
While observing the women at the Missionary Circle tea, Scout slowly comes to understand that her tomboyish ways must eventually give way to becoming a lady. Although she prefers the company of men,
There was no doubt about it, I must soon enter this world, where on its surface fragrant ladies rocked slowly, fanned gently, and drank cool water. (Chapter 24)
Scout has a revelation at the end of the story after she has escorted Boo Radley back home. Looking out upon her neighborhood as if standing in Boo's shoes and seeing things from his eyes, everything looks different from this new perspective.
... I felt very old... As I made my way home, I thought Jem and I would get grown but there wasn't much else left for us to learn, except possibly algebra. (Chapter 31)