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
This website has helped to design a customized website that addresses the specific content my students are covering.
Colleen K.
I am an elementary school teacher and this learning center has advanced my students so much. It is very helpful in the curriculum and overall is a great brain trainer for students k-12
Cindy M.
CK12 provides standards aligned digital text books, videos and activities I use while teaching.
Cindy E.
Excellent exercises and resources! Congratulations!
Cielo
Thanks for making your lessons available! It helps a lot as a supplement of my lesson.
Cicelia A.
It has helped me explain, through problems and text, basic concepts to my students.
Chuck N.
Awesome resource!!! Keep it free!! Keep up the excellent work!!
Christopher S.
I am so pleased with CK-12. The information is so great for all learning styles and types. The variability of the site allows for differentiation and diversity of learning. Thank you for everything thtat you have done and will do for my students.
Christopher M.
K-12 is still a new educational system here in the Philippines and its effectivity leads me to seek reliable resources and materials. And, indeed, CK-12 has answered my needs as an educator. Cheers, CK-12!
Christine
I have greatly appreciated the flex books and the connected practice sets! Those practice sets have been great help to my students that need just a little more time with material, and it saves me time from having to create more material resources myself!
Christine