How do the boys treat Stanley?

The boys often treat Stanley poorly, subjecting him to bullying and ridicule due to his perceived weaknesses and differences. They frequently mock him for his clumsiness and lack of athleticism, which exacerbates his feelings of isolation. However, as the story progresses, some boys begin to recognize his loyalty and bravery, leading to a shift in their treatment of him. Ultimately, Stanley's perseverance earns him respect among his peers.