They have previously said not, and the Draft admissions policy
does actually say "For 2014, the Governors have determined that the number of boys admitted to the school in Year 7 will be 81
However it does also say "Although there is no requirement to consult on admission arrangements where there has been no change from the previous year or when there is a proposed increase in PAN, the Governors of King Edward VI School have decided to consult on our Admissions Policy 2014. The consultation period will run from the 21th December 2012 to 8th February 2013. Responses marked “Admissions 2014” should be sent to the Chair of Governors at the School’s postal address King Edward VI School, Church Street, Stratford-upon-Avon, CV37 6HB no later than Friday 8th February
The fact that they don't have to consult on their admissions arrangements this year, but have chosen to do so, does slightly hint that they might be amenable to responses which make the point that the places for boys and girls are currently rather inequitable.
If I'd got a ds looking for a 2014 place, I'd be responding to the consultation along those lines I think.