Question: What co-educational college-preparatory school is located in the same state that Mary Richardson Walker's parents were from?
Sentence (from "Kents Hill School"): One of the three oldest Methodist academies in the United States (with Cazenovia and Wilbraham), the school is now a member of the Association of Independent Schools in New England (AISNE) and accredited by the New England Association of Schools and Colleges (NEASC).
Relevant evidence: No