Final answer:
After the Storian returned to the tower, Sophie becomes the head of the School for Girls and Agatha becomes the headmistress of the School for Boys in the novel The School for Good and Evil.
Step-by-step explanation:
After the Storian returned to the tower, Sophie and Agatha experienced different outcomes. In the novel The School for Good and Evil by Soman Chainani, Sophie becomes the head of the School for Girls, using her knowledge of fairy tale tropes to reshape the school. On the other hand, Agatha becomes the headmistress of the School for Boys and works to change the perception of villains in their world.