Why aren't the schedules for nationals, state and regionals all the same? It is very difficult to reorganize the teams at every level of competition because of time conflicts with the studied events. Why aren't all competitions required to be con...

There are 500 different tournaments with 500 different sets of unique limitations. The national schedule is posted in September. You might ask your local tournament director but keep in mind that they must build their schedules around limitations such as availability of space, event supervisors, equipment, etc.