Getting one of those in high school shows motivation. While it may not land you that posh Net Admin job you want, it shows an employer that you have the drive to succeed. The certs are a supplement to an education. Get as many as you can. While many may say that it is a waste of time, they are not. Employers will see you as an employee that is willing to stay up on technology, even if it a piece of paper. But remember, always find some way to back it up with practicle experience.