Yeah.. schools teach you a lot of things that you will never use and generally waste your time (mostly anyway). When I went to 6th grade (I was homeschooled from 8th grade on) Spanish was an elective, you didn't have to take it. I think that is a better approach.

My opinion on most schools is the minority, however.

On the other hand, it may be useful! There are many Mexicans all over the US, and I often wish I remembered what I learned in my Spanish class.