DD's music teacher told another student in class today: 'Don't warm up with (DD). You know why'. DD has interpreted it as 'Don't warm up with me in case some of my rubbish playing rubs off on you', and is heartbroken. There has always been some pretty blatant favouritism going on from this teacher, but this has taken it up a notch. DD lacks confidence anyway, and her teacher knows this. DD is aware there are better musicians in her grade, but it's never been an issue among the kids, they are all friends and supportive of each other. AIBU in thinking this teacher is being deliberately divisive and unnecessarily cruel? She's teaching ten-year-olds ffs!