Use the “Add Product” button to compare up to 5 products side-by-side.
As long as you have a phone or laptop that can access the internet, you can use CK-12!
Our platform is designed to be simple and intuitive - you can use it without any training. However, to help you get the most out of CK-12, we also host live webinars, provide on-demand webinars, and run a free certification program.
Class roster can be uploaded, but individual users only need basic information. It takes about one minute.
Free Version Freemium Free Trial Paid Subscription One-Off Fee Hourly Rate
Free Version Freemium Free Trial Paid Subscription One-Off Fee Hourly Rate
CK-12 has no subscription, no advertising and no licensing to schools or users. Everything on CK-12 is 100% free – forever. Get in touch if you wish to make a donation.