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 website helped me in every way possible. Will honestly use this
Abby A
Looking to find a great inquiry lesson on polarity...thank you!
Seun Anderson
it help me with a lot of stuff that i thought i coulden't do myself
Dameon
Ck-12 has helped me learn about science
Aiden Nelson
CK-12 has helped me with my homework and things i did not understand. Thankyou
Dajah
Got me to understand global warming
Ivan
Very helpful gave me a lot of information that i need in my study
Wiam Alqaderi
It has improved me thank you so much for this site
Gabrielle Glorianna Bobo
cK12 has helped me understand the concepts my textbook teaches me in a more creative way. I like the pictures and comparisons that are given when explaining something.
Camile Ingram
u help me improve in all my subjects in school
Seth
Thank you for the help! They have helped me so much with my math classes and I know they will continue! Thank you cK-12
Zori D.
CK-12 has helped me breeze through geometry in a private school which did not offer the class. The ability to do everything on my own gave my teacher the time he needed to teach his other classes and helped me earn my high school credit for when I advance
James Rochon
THANKS. Its helped med study for important tests, and its been a really helpful resource for me.
Jorge
It helps me learn stuff i didnt know.
Dallon Spendlove
Help me a lot Thanks!!!!!
Yoselin
Wow! Fantastic site. It is really help to us. Hands Up to you effective work.
Maha
it has educated me very well , and helped me get into the the 9th grade.
Late'Ya Matthews
CK-12 has helped me understand math and science more.
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