| AlumiExplorer.com: Lists US high schools. Completely free. |
| Alumni Archive: Hosts reunion sites for some schools in Florida, Maryland, Virginia, and Washington. Free registration. |
| Alumni Find: List schools across the world. Completely free. |
| Alumni Society/: Lists 351 schools. Free registration. |
| Alumni.NET: Lists schools across the world. Claims over 3 million members. |
| AussieSchoolmates: Lists schools across Australia. Free to use. Claims to have over 29,000 members. |
| Berlin Alumni Network - BAN: Consortium of the Berlin universities Humboldt-Universitaet, Freie Universitaet and Technische Universitaet (Germany) for Alumni from developing counties. Free registration. |
| Canadian Alumni Norway: For Canadian university graduates living in Norway and Canada. Free registration. Fees for event participation. |
| Classdays.com: Lists US schools. Free registration. Fees for use of advanced features including messaging. Claims over 6 millions members. |
| 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. |
| Club Ghana: Lists schools from Ghana. Free registration. Claims over 12,000 members. |
| 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. |
| Graduates.com: Lists over 180,000 schools, colleges and universities from over 200 countries. Free registration and browsing. |
| LostSchoolFriends.com.au: Australia's first free to use old school pupil directory. |
| Oldfriends.co.nz: The best way to find old schoolmates, workmates and people you know in New Zealand. Claims 388,540 members. |
| Our Class Online: Provides tools that quickly empower you and your classmates to create your own reunion on the internet. |
| Reunion Announcements: Lists US and Canadian class reunions. No registration required. Free posting. |
| 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. |
| Schoolbuddies.com: Lists US and Canadian schools. Free registration. |
| 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. |
| The Alumni Highway: Links to school reunion and alumni pages. |
| Yoshioris Alumni Network: School alumni and class reunions in over 120,000 schools nation wide. |
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