Get .edu backlinks free (some with page rank)
 

Here is a list I am compiling of places to leave your links on .edu sites. Many of these sites have page rank. If you know of any more or if a link becomes dead please let me know. Hope this helps

Forums

http://forum.adison.edu/ (PR4)
http://scratch.mit.edu/forums/ (PR6)
http://rpgclub.truman.edu/forum/index.php (PR2)

Guestbooks
http://cratel.wichita.edu/guestbook/...hp?action=view (PR2)
http://www.studentorg.umd.edu/phibet.../guestbook.php (PR4)
http://nsa.union.rpi.edu/Guest/nsagb.php (PR4)

http://lsa.colorado.edu/guestbook-add.html (PR5)