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
It helped me learn science.
Tori H
It has helped mein my biology studies and I have learned lots of interesting stuff from this place.
Veera Niemelä
They helped me learn about the circulatory system
Galen Spies
Hello!!!
Venku
Helped me learn stuff
Whopper Jr
CK-12 has helped me understand things more clearly and it is easier to pay attention to because of the videos and other different ways to teach. A textbook is hard to understand because all you see or hear is words there is no video that shows a diagram
Alex U
help me get smarter
Jonathan Rivera
Hello there! Congratulations and thank you for helping me through the great explanations thank you.
Willow
well it helped me learn stuff that i needed to learn for science
Alex O
i loveeeeeeeeeeeeeeeeeeeeeeeeeeeeee ck-12 so much too bad i cant use it in high school next year
Latina Harris
i dont know but it has helped me learn somewhat in science...
Paulina
A great resourse
James Walsh
thank you for everything, i dont use you that much but in science you have helped me through my middle school years, i hope your buisness tends to grow better and bigger over the years
Kael Degenhardt
Awesome! Very helpful.
Ahmar Sheraz
Many things that I couldn't learn anywhere else, I can learn here for free! To me that's the best I can get.
Tamaria
you helped me by helping me study for major tests
Alex J
Ck 12 is a great way to study for tests!
Gabrielle
think through science problems
Samantha Ott
CK-12 has been helping get through my Geometry class with no problems what so ever. Thank you CK-12!
Hall
Wow! Fantastic site. It is really help to us. Hands Up to you effective work.
Comments from Educators
ck-12 helped me to build my lesson plans.
kaur
CK-12 makes my life easier in terms of extra activities for my students to reinforce what is being discovered in Science.
Álvaro E.
Love the ability to customize lessons!
dabourd
thanks my child is studing in 6th std .i want he knows all babic concept of math and science.thanks
Shobha K.
teaching
bryant
Ck12 has revolutionized the manner in which I teach. This magnificent educational asset has taken the text book out of the classroom and made learning accessible to students anywhere there is a internet connection
Michael R.
Thanks for providing free, high quality resources for kids and teachers! I love the flexible way that resources can be built.
Mark H.
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.
with my son's science project
Marianne
I am just starting to use Ck-12, so far it seems like a great resource for homeschooling my daughters.
Margaret B.
I use it for Credit Recovery Program. My students like it!
Maria
happy 10th anniversiry.
Margaret
love the worksheets
Marcie C.
The drill and practice has helped my son recognize which function a math problem requires.
Marc M.
to edcuate lower class student
Manish
Improveing the motivation of my pupils
Maisa A.
I have read your biology books. With the help of ck books I am able to clear doubts of daughter and its helped me a lot. Thank you very much for CK
M.
video tutorials for lesson plans!
Macie M.
CK-12 helps me find resources necessary for teaching standards and skills that are not in my current text book. It is supplemental material and websites that help me teach!
M Hance
I have just been assigned to teach 7th and 8th grade Science.
Lynn J.