I took ccna my freshman year in highschool. I don't plan on having a career with it though, but I learned a lot, and knew more than my teachers/network admins did for the most part. It was kind of upsetting, not saying this to bloat, but just because it was really pathetic. Like I'd have to show my TECH teachers how to do things.
It's a great thing to fall back on if ever I need it. It was interesting and yet droll at the same time, if that makes sense. I enjoy designing and developing much more though, so that's what I'm doing.
Anyways, good luck to you on your certs!