Testimonials
See the opinions of students and educators just like you. Select from the following to learn more.
Why Students Love CK-12!
Take a look at what these students have to say about CK-12!
Wonderfull! like that it’s really to the point and precise. There’s lots of pictures and diagrams that are helpful when you are trying to learn.
My teacher made these textbooks, and it has everything that we need for this specific class.
It’s really accessible so it’s easy for the whole class to get on and we just go!
We use it every day because there’s something new that our teacher wants us to look at!
My CK-12 book is really nice because it has all of the information I need in it. Instead of hunting for all of the words and questions I have, it’s all there right in order
Comments from Students
Ck 12 is a great way to study for tests!
Gabrielle
CK-12 helps me understand science a lot better than just randomly taking notes. There's pictures and explanations, too, making it easier to understand the text.
Kaitlyn L
Please do not tell anyone my name and Email, I am trusting you with it. CK-12 has helped me so much, I am in 6th grade and were using it for Science, It is so much helpful. Last year we used it for Social Studies and it was confusing but it was helpful. Thank you, CK-12.
Anonymous
Happy anniversary. ck-12 had helped me, although I don't come to the website regularly. But thanks to ck-12. happy anniversary once again, hurray!!!
Ifedunjoledo
CK-12 has helped me in preparing for my science tests, projects, and being a helpful resource for physics and chemistry.
Blade Runner
it has helped me understand the things that i didn't ask my teacher
Nuvia Zavala
you helped me pass algebra 4
Jonny
Math is a universal language one, that we don't fully understand, or I feel being taught properly in schools. Thanks to Ck-12, I am able to bridge the gaps in my knowledge regarding basic math concepts and move on to more advanced topic. Thank you for b
Wensley
CK-12 has helped me understand things more clearly and it is easier to pay attention to because of the videos and other different ways to teach. A textbook is hard to understand because all you see or hear is words there is no video that shows a diagram
Alex U
It helped me help people and help the world! yayy!!!!!
Lam Vo
Ck-12 helped me know about all about the sources of energy.
Alaena R.
CK-12 has helped me with a lot in biology. Happy Birthday CK-12!!!
Israel
it helped me on everything which is awsome!!! Brah!! goz
Abdulsalam
It has helped me through math a lot. Plus it got me a few extra points in my math grade
Toran Daylee Brown
I love to use this website for 7th grade science it helps soooooo much i love this website.
Ian
CK12 has helped me a lot with learning about things that I never knew. This includes about Science.
Takyia Lacy
you teach me to never give up
Lauren
Ck-12 has helped me learn about science
Comments from Educators
It has helped me with the additional resources available. They are very useful.
Emma A.
Great resources to support MYP curriculum without textbooks
Erin
I use Ck-12 to find resources for my high school Significant Support Needs class.
Kim C.
Helped me in my Anatomy and Biology classes - reinforcing content through grade appropriate reading
Amy B.
First year using completely digital books in 7th science thanks to you! Awesome!
J Daniels
Send Geometry support materials
Emmanuel N.
Helped me become a better teacher by offering a variety of resources to keep them engaged!
Caitlin C.
I have been able to use CK12 to allow my homeschooled student to explore and expand on concepts we have studied in greater depth.
Donna A.
Absolutely an amazing experience. I love that I can customize the textbooks to include what I believe is relevant in the order that I feel is a good flow. Thank you for saving my district so much money!
Jason W.
given ability to work with multiple skill levels in one classroom
Corinna B.
well I am impressed by the high quality of the material, best of all, free to use. Keep up the good work!
Cesar R.
I like to have well rounded lessons and your lessons are easy to use on the iPad.
Karen S.
CK-12 has been a great help daily as I integrate it into my Biology and Environmental Science Classes. My students love it and I can not thank the developers enough for making student & teacher friendly resources
Laurette S.
I love ck 12
Focilia
CK-12 has helped us with our homeschooling and letting my daughter move at her own pace.
Leigh
The website is great and rich; wonderful resources. My students demand work from the platform and they love the adaptive practice and quizzes. Thank you.
Felix B.
lesson planning
Jeannie
GIVES READING ACTIVITIES TO KIDS
Jenny B.