I have not looked into the KSHSAA handbook before answering this, but they can not compete or practice with kids and school team at the same time. If their season is over, they can go to kids, but they can not come back into the high school room. Having said that, I personally believe that every kid should practice with their school team as long as they are needed as a work out partner. If that means through the state tournament, so be it. I think that it is selfish to look at it any other way.