Why did summer sit with august at lunch on the first day of school in the book wonder?

In the book "Wonder," Summer sits with Auggie at lunch on the first day of school because she feels a connection with him and wants to befriend someone who is often isolated. Despite the social pressures of fitting in, she chooses to stand up against the norms of popularity and acceptance by showing kindness to Auggie, who faces challenges due to his appearance. Her decision reflects her genuine character and sets the tone for their developing friendship throughout the story.