Alumni Directories

AlumiExplorer.com
Lists US high schools. Completely free.
http://www.alumniexplorer.com/ae/default.asp

Alumni Archive
Hosts reunion sites for some schools in Florida, Maryland, Virginia, and Washington. Free registration.
http://www.alumniarchive.net/

The Alumni Highway
Links to school reunion and alumni pages.
http://www.alumnihighway.com/

Alumni.NET
Lists schools across the world. Claims over 3 million members.
http://alumni.net

AussieSchoolmates
Lists schools across Australia. Free to use. Claims to have over 29,000 members.
http://www.aussieschoolmates.com.au

Canadian Alumni Norway
For Canadian university graduates living in Norway and Canada. Free registration. Fees for event participation.
http://www.freewebs.com/canalumnorway/

Classdays.com
Lists US schools. Free registration. Fees for use of advanced features including messaging. Claims over 6 millions members.
http://www.classdays.com/

ClassMates
Lists US and Canadian schools, both domestic and international. Free registration to see who is listed. Subscription fees to send personal messages and use other features.
http://registration.classmates.com/registration/;jsessionid=H5UCP0AQ4VVM0CQKWZUSPJQKBK1GUIV3?reg=null

Find old friends in Australia & New Zealand
Lists all type of organizations around Australia and New Zealand. Free registration to view most information. Yearly fee to send and post messages and use other features. Claims over 1 million members.
http://www.schoolfriends.com.au

Graduates.com
Lists over 180,000 schools, colleges and universities from over 200 countries. Free registration and browsing.
http://graduates.com

LostSchoolFriends.com.au
Australia's first free to use old school pupil directory.
http://www.lostschoolfriends.com.au/index.asp

Oldfriends.co.nz
The best way to find old schoolmates, workmates and people you know in New Zealand. Claims 388,540 members.
http://www.oldfriends.co.nz/

Our Class Online
Provides tools that quickly empower you and your classmates to create your own reunion on the internet.
http://www.ourclassonline.com/

Reunion Announcements
Lists US and Canadian class reunions. No registration required. Free posting.
http://www.reunionannouncements.com

Reunion.com
Lists US and Canadian high schools. People search available as well. Free registration to see who is listed. An annual fee is required to send personal email and use other features. Claims over 22 million members.
http://www.reunion.com/

Schoolbuddies.com
Lists US and Canadian schools. Free registration.
http://schoolbuddies.com/index.html

SchoolNews.com
Lists US and Canadian high schools and colleges. Free registration to view basic listings and post to message boards. One-time listing fee to send personal messages and use advanced features.
http://www.schoolnews.com/

Yoshioris Alumni Network
School alumni and class reunions in over 120,000 schools nation wide.
http://us.yoshioris.com