Your high school and local colleges offer three opportunities for you to enhance your high school education. The CISCO Academy where you discover how to design, build and maintain computer networks; Computer Geek U which offers hands-on learning about computer hardware and software and the foundations of computer networking; and PSEO (Post Secondary Education Options) in which high school juniors and seniors receive college credit.
Often a doorway to a new job, an informational interview also informs you on many aspects of the day-to-day realities of particular IT positions. This series of videos offers career info as well as a great list of questions to get you started. Be sure to print out the transcript for reference.