St. Olaf College . Has some good examples of project based interactions between the classroom and their mentors. Also has some examples of e-mail pals. Electronic Emissary Initiated by the University of Texas at Austin. Great place to find a mentor and has a huge searchable database of mentors.
Volunteers can sign up here too.
Teachers with computer skills are asked to serve as summer mentors to teachers who are new to computers. The impetus comes from President Clinton and has been acted upon by Tech Corps . Sign up to be a mentor or a mentee. This is a fine example of how a community educates its children. Watch this program develop.