Through the confines of scheduling, I once found myself in the lowest level of biology and AP biology in the same high school semester with the same teacher. At first she was perplexed, wondering what the hell was going on. But once she got to know me, she realized it was a scheduling thing and that I did not really belong in the low-level class. It got to the point where I just napped through that low level course and she didn't care at all. She was a good teacher.