Final answer:
The provided text snippets do not contain information about Agatha or her actions at the School for Good, hence an accurate answer cannot be given.
Step-by-step explanation:
The question references the character Agatha in a narrative context, but the provided excerpts do not contain information about Agatha or her actions regarding escaping interrogation by other girls. Therefore, it is not possible to provide a detailed answer with certainty on Agatha's actions in the context given. The excerpts instead reference various characters and situations from different narratives, which do not pertain to the character Agatha and her situation at the School for Good.