Today’s Strong Female is Cimorene of Patricia C. Wrede’s Enchanted Forest Chronicles series.
Why is she strong?
She is born a princess, but decides quite on her own to go out, obtain fencing, cooking, and latin lessons, and do things considered highly nontraditional for a princess in this world. She even leaves her home to obtain an interview to work for dragons, (which she is hired to do.) She gets stuff done, whether traditional or not, and takes no guff from anyone. Sure, she becomes the Queen of the Enchanted Forest, (with King Mendanbar,) but she never lets tradition define what she is.
Harry Potter fans may find the opinion of wizards in this series to be very different than what they are used to. Please remember that these two universes are completely different from each other.
Keep it civil, people.