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
You helped me to learn more in science!! Thankyou :D
Hailie
it helped me understand physics more.
Jamessantana
it helped me get a good grade in science i guess, so thanks!
Sean William Combs
My school curriculum is onilne, and they direct me to you guys for science, and it's actully fun to learn science now!
Maeryn
this helps me a lot like i no longer have to research stuff from fake websites.
Samya
Ck-12 has helped me on many of my homework assignments.
Weston Willis
u helped me by new ways i couldn't understand!!
Haley Kay Hergott
i am home schooled and ck 12 has really helped me with my studies
Kaitlyn M
CK-12 has helped me in mny ways. I use it as a workbook in class, and a study tool at home. THANK YOU CK-12
Rachael Z
CK-12 helped me because it can give me answers on any assignment to pass Biology class.
James Dinkins
It was AMAZING at helping me do my homework.
Aj E
my teacher uses it in class
Taniya Keener
Ck12 has helped me do what my teacher assigned.
Laurel
It helped me finish my assignments and not have to repeat the 7th grade
Aaron Niles
Helped me find ways how to solve math problems.
Evelyn
It helped me in science.
Quinn Hennessey
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
Ck-12 is great for catching up on reading!
Oakley
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
This is amazing website that helps me learn everything I need to. Couldn't be more helpful!
Comments from Educators
Wonderful simulations to enhance student understanding AND they work on the student iPads!
Chauncey H.
it help my student to have a better understanding on the specifc topic in the class discusion.
Charlin
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.
I have two children. One is 10 and the other 7 and they both are getting better with math as the semesters go by. Thank you for makimg this site free.
Chantely B.
well I am impressed by the high quality of the material, best of all, free to use. Keep up the good work!
Cesar R.
I love the helpful video links within the textbook and the integrated practice problems for the students
Cathy C.
Providing guided resources for teaching Earth Science. I class that I only recently began teaching was incredibly beneficial
Cassy B.
I have used parts and all of many lesson plans. Thanks.
Cathryn B.
It has given my students wonderful lessons!
Carolyn H.
I shared this resource with my students
Carmen M.
It has helped me find resources for my students
Carema M.
Helped me become a better teacher by offering a variety of resources to keep them engaged!
Caitlin C.
CK 12 was useful as I could download the text books for use with me students. Now I cannot do that anymore. Congratulations on your 10'th anniversary, you have gone from useful to useless for me.
C Smith
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.
Identify resources staff can use to develop relevant science curriculum
Brian A.
Providing lesson resources.
Brittany S.
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
helped me learn how to do my math better
Brady
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.
CK12 has helped me assist others by allowing them to be a part of this learning initiative.
Boris A.