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 has helped me by understanding my subjects more and making me smarter than before.
Angel A.
CK-12 has helped me immensely with math, physics, and chemistry throughout these last few years. Thank you CK-12.
Angel
ck-12 helped alot by making me ready for my mid-year exams and pasted them
Ange N.
It helps me to learn other facts that I did not know.
Anfernee D.
Ck helped me by learning about articals that i didn't even know about
Anessa M.
cK-12 is a fun way to learn!
Andrew M.
CK12 has helped me with my science quiz and notes.
Andy M.
Well it has helped me study for many many tests over the years
Andrew F.
Ck-12 is a very cool website it is the best and helped me through a few years :O thank you for helpin' me with my science, and such and many many things ! Love from me ! -Amy
Amy
It's helped me with science a lot.
Comments from Educators
In the digital age I find have a paper textbook for a dynamic science world limiting and not budget wise. Thank you for making this service available! I find it very useful as a resource in my classroom.
Charles R.
teaching
bryant
Amazing resource! With so many statewide educational budget cuts, it has been extremely difficult to find quality teaching resources. cK-12 has filled that niche quite nicely! I would recommend this valuable site to anyone. Thanks!
Bryan H.
Ck12.org has helped each and every student who has come to our center. I was been a great experience for our students, as well as a enormous help for the teachers! CK12.org has made our learning journey easier and more exciting!!!
Bright Harbor Academy
Identify resources staff can use to develop relevant science curriculum
Brian A.
This is a great "go-to" site for my daughter and I when she is struggling with a new math concept and needs that extra help. Thanks cK-12!!
Brenda S.
helped me learn how to do my math better
Brady
CK12 has helped me assist others by allowing them to be a part of this learning initiative.
Boris A.
I LOVE YOU guys thank u very much i appreciate your efforts for helping students to learn their subjects.
Biswajit
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