What is CK-12 Foundation?
CK-12 is an interactive, intelligent learning platform thats free for everyone.
Used more than 151 million students and teachers worldwide, CK-12 empowers provides an AI-powered tutor called Flexi, enabling students to learn in their own way - whether by reading, watching videos, exploring interactive simulations, or answering personalized practice questions.
We empower educators with FlexBooks® 2.0, digital textbooks that are open-source and fully customizable. CK-12 gives every teacher a digital assistant and every student a digital tutor in for of FlexBooks® 2.0 - Flexi, our AI-powered student tutor, makes learning concepts engaging and provides immediate feedback.
Flexi answers students’ questions and provides interactive examples to help them understand the underlying concepts. Flexi tests students’ knowledge of a concept by giving them relevant questions at their skill level. Flexi supports students with the right amount of help via hints, content recommendations, and reinforcement of foundational concepts, helping fill knowledge gaps and improve assignment scores. Flexi helps students self-reflect to answer questions like: "How am I doing?", "How can I improve?", "What am I missing?"
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. 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.
CK-12 Foundation Pricing
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.
CK-12 Foundation Reviews
from 33 Verified Reviews