In any case, the individual child's needs should always come first. That's the most important matter in a discussion such as this.
It's very rich
to say you would chose the state option when the state option is actually a decent one. I know for a fact the state options around me unfortunately suffer from lack of funds despite a heavy presence of PP students, unreasonable amounts of low level disruption, bad community reputations,
poor (very poor) GCSE results, not so many extracurriculars etc. And what's more insulting to me is that in a town not even 2 miles away from my house, a grammar doesn't include my 'deprived' postcode within its catchment, yet it spans for an eternity into the other direction! So I'm a bit miffed with the grammar system for that!
When we bought this house I knew little about school catchments or grammar schools, but I work closely to where I grew up (inner city, far from naice) and it's amazing how some comprehensives can be everything you'd want in a school for your child. I'd assumed my child would go to state, and that would be that. Then I came here and I realised that state schools are not universally the same and I've really got to think hard about this.
The other side of things, private schools, aren't all great, but in an area such as mine, they are beacons of hope (if you can afford it). It may not be great in terms of community (although the current voluntary scheme one of them has on is heart melting!), but the education is certainly better than our non-grammar state options. I know a girl from private school who smoked weed more than my Rastafarian uncle, so I personally don't subscribe to the drug argument. I have family in private schools too, and usually the benefits outweigh the negatives in their cases, but I'm still growing and observing. In time maybe the state school options will improve to a decent level?
So we will have to move, play the 11+ game, and/or just say Feck it and chose the private option. But, to me, moving to be in catchment of better schools is not greater than just paying for private. It's just a work around, and I'd be buying my child's education in a different way (although the investment is better and the panoramic views from a moral high ground is good for the soul).
I will definitely do state up until primary because I believe it'd be easier for me to supplement DCs education at that level if the teaching quality was an issue. But I just don't know what I'll do, and I won't know until my son reaches that stage.