The novel delves into the lasting impact of residential schools on Indigenous communities. Summer's vivid dreams about escaping these institutions reflect the trauma passed down through generations, highlighting the emotional and psychological scars left by this dark chapter in history. Her grandfather's experiences further illustrate the systemic attempts to erase Indigenous culture and identity, emphasizing the long-lasting consequences of these actions.

"Buffalo Dreamer" emphasizes the importance of connecting with one's heritage. As Summer learns more about her family's history and the traditions that were nearly lost, she embraces her Indigenous identity with renewed pride. Her journey signifies the power of reclaiming one's culture and the resilience of Indigenous communities in preserving their traditions.

The novel showcases the healing power of sharing stories and confronting the past. Through her grandfather's willingness to speak about his experiences and the community's efforts to acknowledge the injustices inflicted upon them, "Buffalo Dreamer" emphasizes the importance of truth and reconciliation in moving towards a brighter future. Summer's participation in the town rally symbolizes the younger generation's role in carrying the torch of remembrance and advocating for a more just and equitable future.