DS is very compliant and pretty much always acts happy. I wouldn't say he's particularly sensitive, just extremely laid back. His last teacher used this as justification for not giving him work at the right level. She thought I was a tiger mom because I said he was bored. DS went to school and acted happy even though he was bored, so she thought I was crazy. She didn't care about his test scores or the fact that he could learn much faster than what she was teaching. All she saw was that he was a "happy" kid and therefore there was no need to do anything different. I told him that he HAS to advocate for himself. That I can't do it all for him. I do think that, like your DD, he also didn't want to offend her or make her mad, so he just didn't say anything. It was easier not to and to just go along with whatever she wanted him to do.
