"We work at the main palace, and under the order of the head maid, we came to start working here, as your highness are currently in an important growing period, where you need someone to take care of you," the insolent maid added with emphasis, "not to mention, you also need to start your studies."
"You can't possibly continue playing like you are doing now."
The maid continued her speech on her own, not caring that he hadn't returned their greeting or even allowed them to speak in the first place.
Most of all not even caring, that he can't possibly be playing in the library.
She talked about how they were just the beginning, and someone else would come to assess his situation more properly, before setting a schedule for how the prince's education should go forward.
And how his lessons would constitute the following: History, politics, other subjects a royal should be knowledgeable in, and etiquette.
She talked about all of that… but still didn't mention magic.