However, based on interviews and her writing, we can infer that she likely enjoyed:
* English and Literature: She is a writer, and her love for storytelling is evident in her books.
* History: The Harry Potter series features rich historical details and references, suggesting a potential interest in this subject.
* Languages: She is fluent in French and has spoken about her interest in other languages.
It's important to note that these are just speculations. Only J.K. Rowling herself knows for sure what her favorite subject was in school.