How the main problem was solved in 'Stargirl'?

In "Stargirl" by Jerry Spinelli, the main problem revolves around Stargirl's struggle for acceptance in a conformist high school. This conflict is primarily resolved when she chooses to embrace her individuality rather than alter herself to fit in. Ultimately, after facing rejection, she decides to leave the school, highlighting the theme of self-acceptance and the importance of staying true to oneself, even in the face of adversity. Her journey underscores the value of authenticity over social conformity.