The OC Learning Center - OC International: Log in

Cookies must be enabled in your browser

Is this your first time here?

One Challenge Workers

If you're an OC worker with an email address, you likely already have an account with the OC Learning Center.  Your username should be firstnamelastname.  You may also log in using your email address.

If you don't believe that you have an account yet, please contact the Learning Center Administrator to confirm.

In the event that you've forgotten your password, click here to reset it or contact


Non-OC Visitors

We'd love for you to learn and participate with us.  Click "Create New Account" below to get started.

Please be sure to read our Terms of Use and Privacy Policy.


Have any Questions?

Drop us an email at