And what a proud mum you should be! Comments like that can make us feel really good and it's even better to hear you more positive. It doesn't take away the pain of the last week but I'm pleased for you that the teacher indirectly praised and encouraged you - I think you so needed to hear that.
Good on you Jane - I would imagine that your parenting skills are pretty good. You come across as the kind of parent I would have loved to have......