If you've already registered, you can log in to Classmates.com using your password and either your registration number or the email address listed on your membership. Note: Your registration number and password were emailed to you when you first registered.
Click here to log in.
If you're sharing a computer and the home page says someone else is logged in, you'll need to log that person out first by clicking Sign Out under the gear icon at the top right corner of any page.
You can log in to your membership no matter what computer you're using, as long as you have your password and either your registration number or email address.