@farmerman,
I was a little bit older than you, farmer, when first I read
To Kill a Mockingbird. I recall reading it very quickly, it took me no time at all to get through it. (But then I was something of a bookworm. Reading was my favourite form of escape, all through my childhood. My mother told me I'd most likely ruin my eyesight if I didn't ease off!)
My reactions to
Mockingbird at the time? It seemed rather exotic, another country altogether to the one I was familiar with (which of course it was), with people talking in very differently ways to each other, with quite different notions of family, different concerns than those I was familiar with ... (and, of course, Atticus was my hero for a while. )
It wasn't until a few years later that I became fully aware of the issue of racism. The truly terrible treatment of the aboriginal people of my own (adopted) country, right under our very own noses. In retrospect, I'd say reading
Mockingbird was probably one of my first steps on the journey to understanding the nature of injustice, what some people have been forced to endure as their lot in life.
May I ask you what your sister had to say about Scout's world view?