Not being English and not knowing the school system very well - what does DS14 first report of year 10 mean?
All his predicted GCSE grades are Cs and Ds - does that mean he is not 'university material'? He wants to be an academic engineer - is that pie in the sky?
The comments say that he is immature, has a bad work ethic and does not focus. 
Part of me wants to say - it is what it is and give up. Just accept that he is not as clever and motivated as the rest of the family and live with it.
Another part thinks - I could monitor his homework more closely - make sure he works harder - get him a tutor...
BUT I have done that virtually all the time since he shows signs of not achieving very well - and clearly it has not worked.
YET - last year he achieved a level 7 in math - his tutor was so excited that he emailed me. He said that it is a clear sign that he IS intelligent and that he can get good grades if he puts his mind towards it.
Oh god, parenting is so difficult.
Please tell me, what do you tell yourself to come to terms with poor school achievement? How do you make yourself not mind so much?