What is the main conflict in Agnes Grey by Anne Bronte?

In her novel, Agnes Grey, Anne Bronte tells the story of a young woman who takes on a job as a governess in order to help her family. Believing that she will be a capable teacher, Agnes embraces the idea of her job, but soon learns the task is not as easy as she once thought. Difficult students and pampering parents combine to make her job almost impossible. Agnes perseveres, though, and soon finds the life that she has prayed to have.