Why did rusty-James go to school the next day in the book rumble fish.?

In the book "Rumble Fish" by S.E. Hinton, Rusty-James goes to school the next day as a means of trying to reclaim some sense of normalcy and routine in his chaotic life. He struggles with the pressures of his environment and the expectations placed upon him, particularly in relation to his brother, Motorcycle Boy. School represents a space where he can confront these challenges, even if it feels daunting. Ultimately, it reflects his desire to find his identity amidst the turmoil surrounding him.