Education means both teaching and learning Common Lisp. Here you may find tutorials, help, ideas, and guides on getting started with programming in Lisp.
Getting Started_ helps newbies enter the world of common lisp.
The Online Tutorial page has links to tutorials for both the beginner and the intermediate Lisper.
comp.lang.lisp is an excellent place to get help with a programming problem, but if you ask about an obvious homework problem you'll be unmercifully chided, or helped in ways your teacher will least expect.
A less raucous place than comp.lang.lisp, the LispNewbies mailing list is a good place to ask questions you're too embarassed to ask in public.
The Dynamic Learning Center provides sample code and learning tools for university professors and students.