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
CK12 is the best online learning source ever.
Mason Ramos
Hi. it works a lot espically in school to help me understand things to help me proceed in life.
Naomi
CK-12 helped me with the water cycle and many other things, too.
Sean
Ck-12 helped me understand cell structure.
Mattea
this has helped me throughout my science grade. SO THANK YOU!!!!!!!
Careena
It helped me with astronomy
Natalia
Thank you for providing your resources in my Chemistry class. I have learned a lot from your texts. I learned about how ionic and ternary compounds bond together.
Tony Maggio
It has helped me through math a lot. Plus it got me a few extra points in my math grade
Toran Daylee Brown
its helped me so much, like sooooooo much, hmu ;0
Bethany Rimmer
i guess its easy to do work on the go now
Halen Willoughby
your videos and lessons helped me a lot. thank you so much . keep up the great work!!!!!!!
Imali
I love it! Thanks sooooo very much! A GREAT alternative resource from the traditional textbook.
Venise Borum
CK-12 has helped me by finding anything that needed for me to succeed in school.
Toma
It is has helped me learn a lot more about Science it is So Amazing I love it so much my 7th Grade teacher also uses it a lot.. when we talk about earth science and other things.....
Fatima
its helped me learn a lot about science. and i didn't know a lot of things i know now today! HAPPY ANNIVERSARY!!!!
Maegan Jones
i didn't know what orbitals were until now thanks you
James
i just started but so far has been great
Mahalia Barnes
it helped me in my science class
Ja'Crispy
it helped me get better at math and helped me raise my math grade from a 45 to a 89
Faruk
Its a great website
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.