How did the amenities and stimulus of learning help Margrete Cardmore to attain knowledge?

This question is worded somewhat strangely, so I will assume this question asks how education impacted Margaret’s degree of success and understanding of the world around her.
Because Margaret was socially isolated due to the racial prejudices of those around her, she focused on her studies as a child. With her quasi-adopted mother, Margaret Cadmore, being a schoolteacher, the younger Margaret had unfettered access to books and educational materials with which she could study.
These two factors—ease of access and isolation—supported Margaret’s success in school, which led her to become a teacher as well. Therefore, one could argue that her upbringing was the direct result of her attainment of knowledge.
On the other hand, Margaret herself says that she was successful because she sought out to learn, not because she had the resources available.