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
In many instances, available resources are not sufficient to explain a particular problem, so it is a relief to be able to turn to cK-12 for help.
Marion N.
Thanks for providing free, high quality resources for kids and teachers! I love the flexible way that resources can be built.
Mark H.
I love the concise way that the open resource materials cut to the chase. I can focus more clearly using these materials.Thanks for creating them.
Mark C.
with my son's science project
Marianne
Integrate wonderful lessons that engage my students in middle school education
Marian R.
It has helped to develop engaging lesson plans
Maria L.
I use it for Credit Recovery Program. My students like it!
Maria
happy 10th anniversiry.
Margaret
Thanks so much for your resources. They have helped me in my Earth Science and Biology classes. I am a special education teacher who uses your article and other resources to help my class. Congratulations on celebrating 10 years!
Marguerite T.
I am just starting to use Ck-12, so far it seems like a great resource for homeschooling my daughters.
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