Will he be shattered ? Yes. For sure at the start, but will hopefully get easier as routine settles
do you ever see them ? Not much!
Does he have a view at joining in Y7 or Y9? Is this his worry or yours? I guess I am countering the many comments you will get like when does he get to play, relax, have downtime etc that can make us a little defensive, but those on here with children that do these things to high level/training hours etc, we know we cannot make our children do it if they don't want to. And if they don't want to, then the risk of accepting the scholarship is high.
For some children who, for whatever reason, struggle with the multi tasking, organisation and doing homework on the run/when it's set may struggle to start, but a good school who is offering these awards should help and support the child to manage the academic and talent side without the 'are you doing too much' attitude that is often met with those that don't get kids like this. Y7 is a big change though, but some need it and adapt really quickly, it so depends on the child.
But, go in with your eyes open, of course there's a quid pro quo for the scholarship, and your boy has got to want to do the sports (and know he will have less time to ride the bike during the week), but hopefully adapts on when he does stuff
The hours she uses swimming just mean she has zero interest in electronic stuff/tv/games except messaging her friends
Agree with this 100%.