Final Answer:
Sally sent Percy to Yancy because she believed it offered a unique learning environment tailored to Percy's needs.
Step-by-step explanation:
Sally's decision to send Percy to Yancy stems from her perception of the educational benefits and tailored support available in that specific setting. Yancy might provide a more individualized approach, addressing Percy's unique learning style, strengths, and challenges. Sally likely considered factors such as smaller class sizes, specialized teaching methods, or additional resources that could enhance Percy's educational experience.
In essence, Sally's decision is driven by a desire to optimize Percy's educational experience by choosing an environment that caters to his unique requirements. This decision underscores a parent's commitment to ensuring their child receives the best possible education, emphasizing the importance of a tailored approach to learning for individual students.