We use to do it by position, but then it evolved into simply trying to identify the Top 18 players per classification.
I have no problem with region representation. I do believe that the Region Player of the Year from each region should be on the All-State team. However, that is not a steadfast rule. One of the problems with the region representation is that many regions don't meet before the all-state selection meeting. If we were to adopt that direction, then the onus would be on region coordinators to make this information available prior to the all-state meeting.
Another issue is that some regions hold their all-region team until all teams are out of the playoffs -- I guess for 'political' reasons -- but at any rate, if you don't release it, then others simply don't know.
We do have too many nominations from certain schools. We had seven all-state nominations from a particular school this year and while they may have a couple of deserving players, unless they post a 31-0 record and have an unbelievable strength of schedule, then really they should have no more than 2-3 nominees.
We've had proposals for offering a First Team (11 players), Second Team (11 players) and Third Team (11 players) per classification in order to share the wealth. However, this has not been passed.
If you're asking when these votes are taken, then the answer would be the SCACA Clinic in July and the SCHSSCA Winter Clinic in January. Unfortunately, we only average about 50 coaches per year at the summer edition and around 85 coaches at the winter one. We really need much better participation from our membership and we need some coaches to join!