If you've already registered, navigate to the Classmates sign in page. If you are logged out of Classmates, click the “Sign in” button in the orange box at the top right corner of Classmates.com.
You can log in to the Classmates site 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. You can also log in using the Facebook Connect option on the sign in page.
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 in the orange bar at the top right corner of any page.
You can log in to your membership no matter what computer or mobile device you're using as long as you have your password and either your registration number or email address.