Anything done at a high level is hard. There are schools that have very high academic standards and are extremely competitive in that area.

That being said, you can pass an EOC with a 70% or adhering to a certain scoring criteria. If you did band with a 70%...well...you have probably all seen the everyone gets an A video.

In the age of instant gratification anything that requires effort is almost ran away from. Luckily, things like Marching Band teach this skill along with all of the other things.