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 helped me out in areas that some of my teachers do not explain as efficiently.
Ella
Helped me pass my classes. Very helpful!
Elishah Arnold
think through science problems
Samantha Ott
grades and help me get far in life
Quevin Hill
I've actually started taking notes because of all the real world examples in science because the info doesn't click if I don't relate. Since studying and taking notes on this site every single test I have studied for on here, I passed!
Zoe Noelle Maxwell
CK-12 has helped me learned great things that I have never learned before, and I thanks you for that. I believe that they have always made learning easier for me.
Evangeline Conachan
It has helped me learn more about science and more about reflection and light.
Serenity
Its helped me study a lot!
Alana
Learning new information.
Candice Sabrya Medley
CK has helped me a lot with my journey in knowledge
Aiden Hatfield
Thank you for providing your resources in my Chemistry class. I have learned a lot from your texts. I learned about how ionic and ternary compounds bond together.
Tony Maggio
School couldn't be the same without this website. I know I'm not the only homeschool student that feels that way. Keep up the good work
Evi
ck-12 helped me by knowin new stuff and getting to read new things on here it also helped me by useing the computer and to come on here. i like reading on ck 12 becasue it goes faster and you can read by your self also because you dont loose you spot it helps me!!! thank you so much guys
Makayla A
you helped me by helping me study for major tests
Alex J
CK-12 has helped me understand things more clearly and it is easier to pay attention to because of the videos and other different ways to teach. A textbook is hard to understand because all you see or hear is words there is no video that shows a diagram
Alex U
because you give me important facts and real facts and i can trust you guys thank you so much for that and i love this website and i would recommend this website to all my friends and thank you for giving me this chance to give my feedback
Quynterrius
Ck-12 has helped me learn 8th grade algebra
Gavin
My learning has become much better.
Comments from Educators
Awesome resource!!! Keep it free!! Keep up the excellent work!!
Christopher S.
it helped me on a lot of stuff
Christianna
I have used cK-12 to help teach and plan lessons for my students.
John A.
My class has learned so much from ck 12, its easy, resourceful, and all in one place. Thank you so much!
Alex J.
I have used articles on a variety of Science topics with students to enhance their understanding
Ela B.
free books!!!
Lauryn C.
CK-12 is off thee chart! I love using this tool in my chemistry classroom because it brings in a variety of perspectives and does progressive testing. A great tool for getting them ready for what NGSS is bringing down the pipeline.
Kelly M.
CK-12 is an amazing site to use to help students understand topics better, and it has helped me through my earth space honors class. Thanks so much!
Dalila Z.
I am just starting to use Ck-12, so far it seems like a great resource for homeschooling my daughters.
Margaret B.
Thankyou thankyou thankyou very much for providing these resources for free. ck-12.org is very great resource for students it is very helpful in schools and out of schools for self study.
Biswajit A.
CK-12 IS AMAZING! It deepened my child's knowledge and understanding involving geology, health, and much more! Thanks a bunch for always being there for my child when he most needed it.
Jewel
Help my students learn in their Science class.
John B.
I can teach my kids a variety of subjects and topics. There is a lot of amazing material to help my kids in school.
Daniela
I love your online book and resources! I have been using your online book with my middle school students for 3 years and I love it. Thank you for providing excellent materials for us.
Connie Jo E.
it has helped me to attain my bsc
Garvin M.
ck-12 is an amazing resource that provides up to date information that I can use to supplement our science textbooks. It also has leveled activities which helps when differentiating instruction. Keep up the great work!
Donna M.
As a teacher it provides a resource for my students they may not have thought about. I look forward to seeing what it has to offer.
Ed
Love the ability to customize lessons!
dabourd