I think basic thrust of your questions is good - but keep in mind you want to focus on the issues her experiences raise - in a short essay like this you can't give an overview of schools all over the south - what you can do is talk about someone's work experiences in dealing with/addressing racism and how that sheds light on racism on the job.
ok let me switch it up...this is the hardest part! ahhhh
Hey - Don't worry so much about the wording of the question - I think you're ready to start the draft. Just keep in mind as you're writing that you don't want to bite off more than you can chew.