I got picked on a lot even by teachers too. I liked to listen to musicals and bake and my homeroom teacher found out and mocked me in front of the whole class for baking.
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.
Next Article
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.