The Question and Answer section for Villette is a great resource to ask questions, find answers, and discuss the novel.
I don't see a free translation on the net but GradeSaver has a comprehensive summary below,
Yes, in Chapters 14-16, the exact nature of Lucy's social status is explained. Brontë spells it out ("her degree was mine," in Chapter XVI). Though Mrs. Bretton dotes on and patronizes Lucy, their "degree" is equal. That...
A great example is her obvious bias against the Catholic faith. She frequently allows her prejudices to color her views of people in the novel.