Bishop Gorman plays for state championships. IMG Academy is the only school I know of that doesn't play for a state championship. Not disagreeing with you that MS should play a national schedule. Would be more fun for those coaches/players.
Success rate and the European Soccer promotion/relegation system. Would have to do a study on how many years to use for success rate but I know some states use 3. This doesn't work with our current scheduling cycle but maybe that needs to change as well. Handles the parochial school argument as...