This test, made available online by David Keirsey, is like a short MBTI exam. Answer all the questions, and you will get a 4-letter personality indicator as a result along with a short explanatory document.
Major Resource Kits via University of Delaware
More links and great info connected to academic majors.
Occupational Outlook HandbookAn awesome resource from the Bureau of Labor Statistics that reveals the training and education required for hundreds of jobs as well as job prospects, potential earnings and what workers do on the job.
O*NetA product of the US Department of Labor, O*Net is a great tool to explore careers.