Thank you for replying.
He does do Spanish as well, and finds that he is able to learn this, it is just French.
It seems that there are two different issues,
First, and it would appear the most important, what the school has to do to satisfy the education authority that removal is justified
then second and significantly less important, the enormous emotional tension he suffers, his pathological fear of failure whilst he tries to conform, and at the same time try to be inconspicuous.