Colleger, just tried to send you message from phone on train and failed.
The school the v musically gifted child gas gone to is Eton.
By chance, sitting in my kitchen at the moment is a young man, ex Winco, v v bright, vv musical. I asked about time etc to do 6+ hours practice, to which he responded that the time wasn't the problem (suspect he did about that) nor the facilities, it was whether you decided to do so, ie if you had the will. He, for example, loathed cross country running and orchestrated his music exams to coincide with such events. It's true he did not go on to eg one of the major music schools but is a freelance musician overwhelmed with commissions for composition and conducting as well as playing.
On the other hand, not that this is v helpful, I know another young man who has gone through compprehensive schooling, graduating from RSM this year, being taught by international specialists, who can't get an orchestral job although he is immensely gifted because he hasn't got the experience and orchestras are cutting back. It's really hard for the young, as well as the old.
Not sure that helps but feel free to pm me.