Howie’s four-year-old sister, who insists on Ramona’s attention each afternoon, offering both a source of frustration and a lesson in patience.

Ramona’s classmate, initially a source of conflict on the school bus but ultimately becomes a supportive friend. His teasing transforms into an endearing friendship for Ramona.

Ramona’s older sister, entering adolescence and experiencing her own challenges. Her relationship with Ramona evolves into a more supportive and collaborative dynamic.

Ramona’s third-grade teacher, whose informal manner and perceived judgments challenge Ramona’s confidence. She plays a significant role in Ramona’s understanding of adult perspectives.