Luann definitely still loves working with kids. But she had that bad experience when Tara gave an unauthorised archery demonstration and the principal was furious, almost fired her, cut her hours and moved her to another school. Perhaps that was a turning point and in the meantime she has discovered another passion that she could wants to try to realize. In the last two years she pretty much wrote everyday.
Famous animator are few and very difficult to replacing. Try being a character design or a storyboard artist. It’s not the same, but there are more possibilities.
I can see Amelia becoming President and Rose her assistant.