One thing that is pretty widespread is Speech and Debate. The debate disciplines, in particular, are very rigorous at higher levels of competition. It's a very

One thing that is pretty widespread is Speech and Debate. The debate disciplines, in particular, are very rigorous at higher levels of competition. It's a very good educational activity. However, to your point, it's not a class and it's not required. So participation in debate ends up being very low among the population of all students.