Lots of good advice on this thread and obviously if you find a school where noone says anything that raises red flags that's good, but in case not, my 2p would be, work out who actually takes the decisions and talk to that person. We got this kind of talk (specifically, the "oh, if a child learns mathematics concepts ahead of the norm they don't really understand them and there are gaps") talk from one person in the school DS5 goes to, but it turns out it doesn't matter, because although her title sounds good, she doesn't take decisions that affect him :-) His class teacher has been great (crucial) and the school's overall head is great (even more crucial) and they've dealt with DS very well indeed. (So far :-) It's probably too much to expect that every person in a school will get your child immediately, but you need there to be someone to go to.
