A Conjuring of Ravens

In a world where magic is a science, Siobhan Naught is a genius. But even geniuses need schooling. Siobhan has just been banned from the country's only magical university. Unwilling to give up on her dream of becoming the world's most powerful sorcerer, she resolves to do whatever it takes to change her fate. Even if it means magically disguising herself as a boy and indebting herself to a gang of criminals to pay for University tuition.