>>scolle+(OP)
As a teacher, I can name at least 50 that are uninterested in excelling. Mostly because they've been
conditioned to be that way, usually by parents/community who see no value in education. You can work with them and get them interested, but it takes a lot to undo that conditioning (along with all the other stuff they've endured through their education years of being told "Well, you're just not an X person", etc.). It's also really hard to work with them and get them over that given the current way things are (seeing 150+ kids an hour a day).