Just created new account to post this, as did not want to out my DS on other threads.
Having looked at some of these comments, and having done the 11+ last year, I just wanted to add the data point that DS got offers from LU and Emanuel, as well as the other schools we applied to, and we chose Emanuel over LU for many reasons, but mainly for the difference in pastoral care and the feel of the school. Academically we knew it was great, and DS had just as much chance of getting amazing results there as LU. We also know a number of people with kids at LU, some of whom have pulled those kids out already. Ultimately, when looking at academics, all these schools have such high percentages of kids getting incredible GCSE and A-level grades, the fact that one may come higher on the Sunday Times rankings for results, really doesn't mean that much in terms of your kid's experience and eventual outcome. There is also the dirty little secret of how many of those top schools manage kids out to keep their scores up...
I make this comment just to point out that we, and some other parents we know, turned down offers from schools higher in results rankings, so waiting lists can move for all sorts of reasons.
I would also say we have not regretted our decision for a second so far, and for anyone here considering Emanuel, I would say that we have been incredibly impressed (and I am an ex-teacher myself, so know what to look for). They seem to be managing that delicate balance of academics, sports, extra-curriculars and pastoral care very well.
Good luck to all your DS and DDs. The whole process is just horrible and I am very glad we never have to go through it again!