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
This site has helped me study for test in my science class. The quizzes are spot on and the activities I can do really help nas well.
Robert K.
I have advanced in knowledge of calculus
Robert Y.
I like this website because my science teacher has us read out of the books on this website and it's alot better then doing a powerpoint
RJ F.
CK-12 has given me a library of awesome resources to utilize that help me better understand the topics in my classes.
Robbie R.
it has helped me learn many things that i would not have the chance to learn for a while
Rj
CK-12 has helped me be able to access information that would be in my text books when I am out of school and it is a great source for studying for exams!
Morgan
its helped me learn a lot of things i was struggling with
Monunique A.
you helped me get A's on my quizzes
Monique
CK12 helped me by improving my math skills by nearly 25 percent! Without CK12, I doubt I'd ever pass my math class!
Moneebah A.
You saved me from using an old gross textbook and helped me study and take notes in my biology class
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