Final answer:
The provided excerpts do not contain information about a character named Sophie or an event where she places something on a windowsill for a School Master, so the question cannot be answered based on the given texts.
Step-by-step explanation:
The question 'What did Sophie put on her windowsill for the School Master?' from the provided text cannot be answered with certainty as there is no mention of a character named Sophie nor a specific event involving her placing something on a windowsill for a School Master. The excerpts from different stories including the interaction between a daughter winding blue silk, Mrs. Hale discussing fruit preserves, Mrs. Peters referencing a desire for an apron, a woman sinking into an armchair, Louisa preparing tea, a student taking out his notebook, and a few other scenarios do not offer any information about Sophie or her actions related to a School Master. Therefore, we do not have sufficient information to accurately answer the question.