Thanks for the advice. I will contact school like you suggest.
To be fair to W in the past she has done a good job of keeping me updated and co-parenting has been okay. However, these last few weeks/months her behaviour has taken a big turn for the worse, more erratic, more manipulative and the selfish side is reaching a new level.
I am feeling better re D after a long conversation with solicitor yesterday. I am coming to terms with the fact that this is just another setback and nothing more. I will get through it like I always do