My art teacher in junior high was a very out gay man and a mentor to me. He would tell us about Greenwich Village and show us the 'Village Voice' and describe his life but it was all sort of subversive and below the radar.
In other words if a teacher only teaches in one way then they conclude that the kids who can't learn well that way don't have the ability when in fact it may be that the way the teacher's teaching is not a particularly good match to the way those kids learn.
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A friend of mine said no matter what I do I always look like an English teacher. She actually said you still look like a Campbell's Soup kid.