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 has been a real eye opener and has helped me through my high school years
Mark T.
They helped me very well. I hope that all topics will have videos. Thank you so much.
Mark I.
it has made homework fun
Mark B.
ck 12 has helped me looking for the best topic for me to learn all learning areas.
Marjonie B.
It has helped me to better understand the topics we learn in science class.
Kylie J.
it helped me with science
Marius C.
It has made me understand my classes better.
Kyleigh M.
cK-12 has helped me a lot. I have all A's in my classes because of this website and know much more then I did before cK-12. Thank You!!! Happy 10th anniversary.
Kieahna
I understand math problem more when I practice them independently.
Kierra S.
This site has helped me, with my biology, projects, understandment of learning more ways to solve work. Happy anniversary.
Comments from Educators
it helped me on a lot of stuff
Christianna
Great science content! Lots of resources; video, text, quizzes. Love the connectivity to Edmodo. Very helpful!
Christiana D.
ck12 has helped me by teaching me new things in algebra and learning more and more about daily math life
Christian D.
I first used the CK12.org webpage in conjunction with traditional style biology ibook four years ago after going to a technology training. Now I have open sourced a regular biology Flexboook and an honors Flexbook for use by our entire school and embedded
Chris J.
So fun for students. Used the Natural Selection mouse interactive as a Do Now, so great.
Cheryl
our lessons make my job so much easier. I can count on quality lessons from you and can use them to meet student accommodations. Thank you.
Chris E.
I can find problems that suitable for my grade 8 son.
Cherry P.
it was a good educational website
Chelsea
Wonderful simulations to enhance student understanding AND they work on the student iPads!
Chauncey H.
it help my student to have a better understanding on the specifc topic in the class discusion.
Charlin