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
It has helped me a lot in science and understanding it better.
Anika S.
CK-12 has helped me a lot, especially with math. My teachers for the past two years have used CK-12 and it's an easy way to take math step by step to help you understand it better.
Anika
it has help me learn new stuff
Angela P.
CK-12 has helped me understand information on a deeper level and gain confidence in my knowledge. Instead of just reading information, I make sure to understand it and learn. By just providing information with such fantastic structure, I have realized how easy it is to obtain information and I strive to learn more each day. Thank you for providing such a reliable source and helping me out!
Angelina
You guys helped explain hard concepts
Angie
It helped me with science and stuff.
Angelica M.
it help me truley understand math
Angela R.
It helped me learn and also read more for my education!!
Angela M.
CK-12 has helped me since my freshman year. It helped my in my physics class and helped me understand challenging concepts more easily. It's a great and helpful resource.
Angela
This has been the greatest resource that I been looking fo.
Comments from Educators
My class has learned so much from ck 12, its easy, resourceful, and all in one place. Thank you so much!
Alex J.
Provide great resources for teaching my scholars Algebra
Akinade S.
ck 12 is the only app which i get that is fully free second thing i m a cbse board student and the books available on ck 12 have material that i cannot get even in best refrences avalaible in my city.............. i prepared foooooor classssss 10 board from i and achieved 10 cgpa
Akhil
It has helped me in revising basic concepts before teaching a class. I have used visual representations in my classrooms.
Ajmal R.
I enjoyed using cK-12. I is a good website for biology. I recommend it to any teacher or student dealing with biology. It is very easy to use, covers all topics in biology in the utmost simple and fulfilling way.
Ahmed E.
I enjoy reviewing our lessons and adapting them with my text. It gives extra text for my students to review.
Adrienne S.
cK-12 has helped me with supplemental learning for my students in Science 8th grade and HS Chemistry class. It's great since the cK-12 lessons teach the same scientific vocabulary that are in my standards. Thank you for making education free, accessible and easy to accomplish on a smart phone. You are speaking the students' language!
Adam
CK-12 is such a great help for me as a student teacher, it gives me the information that i need to know for my everyday teaching-learning experience. CK-12 is awesome!
Adrian D.
preparing for physics lessons
Adeoye
CK-12 has been a great resource for me! The Fourth grade social studies curriculum was new to me last year, so I used ck-12 as my guide! Thanks CK-12 for your awesome free resources!!
Adrienne K.