How to Register

Registering as a student on CK-12 is free and allows you to learn new material, track your progress and much more.

Here's how:

  1. Go to
  2. Click Join in the top right of the CK-12 homepage.
  3. Sign up using either your Google, Facebook, Twitter or Microsoft accounts or register using an email address.
  4. Fill in the information fields and click Sign up.


  1. If you are under 13 years of age have your parent or teacher enter their email address and click Sign up.  They will receive instructions to help activate your account.

  1. If you are over 13, complete the registration, select a role, location, grade level(s) and click Continue.
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