Well, Kate Mara's character Hayden McClaine in 'American Horror Story' was quite memorable. Her character was in a rather complicated relationship with other characters in the series. She had to portray a range of emotions from desperation to deviousness. This role showed her versatility as an actress, as she had to deal with the show's unique and often dark and disturbing themes.
Yes, it is. There are real - life events that inspired stories related to Kate Mara as a teacher. However, without more specific details, it's hard to elaborate fully.
Without more context, it's difficult to say precisely what the 'Kate Mara teacher true story' is about. It could potentially be about her volunteering as a teacher in an arts - focused school, sharing her experiences in the acting world, from auditions to working on set. Or it could be about her teaching in a more informal setting like a community center for young people interested in drama. However, without clear details, we can only guess at the nature of the story.