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
you helped me so much with my biology witch i'm still using you for thank you
Adrien J.
Younhelped me with my science work for school.
Adriana R.
CK-12 is a fantastic resource website that make learn way much more easier thank you and happy 10th anniversary
Abel
It helped me keep track of my work
Adrian R.
It help me learn how to turn fractions into decimals
Adriana
You helped me a lot with science
Abel
ck-12 has helped me understand chemistry better and i want to congratulate and thank you for your services
Abdullah J.
CK-12 has been incredible in providing me with information for my biology projects.
Abdullah A.
In a word, it helped me learn more about Chemistry.
Abdul B
they helped me learn 7th grade
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