This is the PFISD guide to the Programs of Study. This is where you'll find the course lists for each Program of Study. It's a large file, so you'll need to download it, but there's a copy of each section on the Career Cluster pages.
O*Net will provide current information about careers, including education needed, salary, and skills required. You can enter a career cluster and find multiple career options within that cluster.
Enter the name of the career you're interested in and find a page of information!
Published by the Bureau of Labor Statistics, this is where you'll find nationwide data about careers.