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
Helped me understand Chemistry better.
Molly
they have helped with all homework
Mikia W.
I sucked in math and these guys gave me multiple tools to strengthen mymath skills
Mikeyia
Since I joined ck12 I've learned about geography, biology and chemistry easily by having information in easy access
Mikel A.
It was very professional and useful.
Mike R.
You guys have helped me obtain notes and study. You also help to organize the content. Thanks!
Max
The practice problems help me study for tests.
Mauricio
This has helped to realize the simple things about the greenhouse effect
Maurice F.
cK12 helped me and my science class through extensive learning programs and quizzes, and it is very easy to get around inside. It is very helpful to me and my class. I learn a lot here!
Maude W.
It helped me with my vocabulary
Comments from Educators
Me ha ayudado a planear clases más interesantes para mis estudiantes.
Danelly M.
An invaluable resource for learning materials.
Dan P.
I learned about CK-12 this year from the previous science teacher in my position at my new school. I have used CK-12 resources for all three of the subjects that I teach and my students just recently told me they would rather use CK-12 than Khan Academy.
Dan M.
ck12 is outstanding with providing information, testing material and questions for students to improve their learning in biology. thank you
Cyril F.
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.
Dairy D.
Love the ability to customize lessons!
dabourd
This cite allows me to provide practice for my students that isn't always just another worksheet. We all like the immediate feedback that this site provides.
Daire M.
I use ck-12 in my classroom. The school does not provide textbooks for the students, so I use the textbooks from ck-12.org for all of my classes except for AP Physics.
Cynthia B.
There have been available lessons that have helped my students have a better understanding of the material.
D. Ferrell