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 have helped me a lot i really like how you walk us through the problem if we don't get it. HAPPY 10 YEARS !!!!!!!!!!!!!!!!!!!!!!!!!!!
Zoe
CK-12 is some much easier than looking threw a book. It tells you what you need to know. it is an amazing learning tool.
Zach S.
CK12 is really awesome, thank you
Zach D.
CK-12 has provide me with numerous resources ranging from interactive videos to simple reading materials for my teachers and students. These items and your company gives public education some highly important resources.
Willie W.
I'm reviewing mathematics just as a hobby, and CK-12 presents the material logically.
William W.
It's a great learning tool to help me practice! Thank you for this website.
Wasee H.
You have helped me with learning about anatomy and science.
Walter J.
ck-12 has made me be able to complete homework assignments, because of your videos, one suggestion that I have is that the person that talks in the videos, talk alot faster, I always have to watch the videos in x2 speed to not get bored.
Wakeen J.
it helped me immensely
Waheed
CK-12 helped and aided me in my learning journey so much! Thank you so much CK-12, from the bottom of my heart.
Comments from Educators
This website has helped to design a customized website that addresses the specific content my students are covering.
Colleen K.
I am an elementary school teacher and this learning center has advanced my students so much. It is very helpful in the curriculum and overall is a great brain trainer for students k-12
Cindy M.
CK12 provides standards aligned digital text books, videos and activities I use while teaching.
Cindy E.
Excellent exercises and resources! Congratulations!
Cielo
Thanks for making your lessons available! It helps a lot as a supplement of my lesson.
Cicelia A.
It has helped me explain, through problems and text, basic concepts to my students.
Chuck N.
Awesome resource!!! Keep it free!! Keep up the excellent work!!
Christopher S.
I am so pleased with CK-12. The information is so great for all learning styles and types. The variability of the site allows for differentiation and diversity of learning. Thank you for everything thtat you have done and will do for my students.
Christopher M.
K-12 is still a new educational system here in the Philippines and its effectivity leads me to seek reliable resources and materials. And, indeed, CK-12 has answered my needs as an educator. Cheers, CK-12!
Christine
I have greatly appreciated the flex books and the connected practice sets! Those practice sets have been great help to my students that need just a little more time with material, and it saves me time from having to create more material resources myself!
Christine