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 pass college statistics
Torronce
cK12 helped me with biology and some other subjects. Keep up the good work. Happy 10 anniversary!!! I am going to keep on using this site for so much more.
Haleigh Dobson
i can now tell the difference between smooth,striated and cardiac muscles
Takalani
CK-12 has helped me in preparing for my science tests, projects, and being a helpful resource for physics and chemistry.
Blade Runner
I want to thank you guys for everything you guys have done. You make things easy to access and have offered many helpful things within my classes.
Adam Bradley
Helped me learn biology
Tahliek
Just learning about Interdisciplinary units
Tracey Bussell
necesito la resolver un problema con el teorema fundamental del calculo
Natalia T
CK-12 help me by making math books and lessons available.
William Wofl
it helped me with my learning in every subject
Nashaylah
Made me smarter
Jordyn Horne
It helped me in school
Abigail
CK-12 has reinvigorated my love for knowledge and is my go to resource to practice and brush up on skills. Thanks to CK-12 I was able to relearn most of what I forgot and get back in school, thank you CK-12 I don't know what it would be like if you weren'
Ibrahin Ayubi
amazing, wowwwwwwwww
William R
You guys helped me understand my material, Mostly Science, and helped me finish my tests with a fair amount of ease.
Idris Donovan Anderson
It helps my whole class
Lamarius
I use your site both for practice while working on particular lessons in math and as a form of remediation for those who are not mastering key ideas.
Runco I M
CK-12 has really helped with my Biology course this year. I can study and understand every thing they have on each lesson. I love CK-12 sooooo much! thank you CK-12!!
Adalyhn Roberts
You have helped me get through chem Pre-AP
Blake Risler
its helping my grades get better
Comments from Educators
CK-12 has helped us with our homeschooling and letting my daughter move at her own pace.
Leigh
CK-12 really helped me last year teaching 7th grade social studies. The content, which was broken down by standard, helped me and my students get a better understanding of the material.
Layne B.
free books!!!
Lauryn C.
It's easy to create assignments for my students and I love that they don't discriminate the fact that I homeschool my children and use this.I hope in the future they have more english to use.Thank you.
Laurisa N.
I am homeschooling my 8th grader for the last trimester. I am looking for things to make his education complete and fun.
Kristy D.
I use CK12 all the time in my science classes! It is a great summary of all the content, its in one location, and has all the media extras that keep students engaged. They really prefer CK12 to old school textbook assignments. I am teaching a marine scien
Kelli H.
It has helped me with transitioning in a block schedule to incorporate NGSS lesson.
Laurie R.
CK-12 has been a great help daily as I integrate it into my Biology and Environmental Science Classes. My students love it and I can not thank the developers enough for making student & teacher friendly resources
Laurette S.
I have been able to take the real world applications and interesting topics from ck-12 and incorporate them into my science lessons.
Lauren H.
I am a high school biology and chemistry teacher. I assign ck-12 as a resource for students who struggle with concepts. I love the Real Life articles. The students get to understand why science is important. Thank you
Laura S.
My students love the videos and information on this site. I feel that it greatly enhances student learning.
Laura M.
cK-12 has helped me teach my child on several subjects. It is a fantastic resource weather you homeschool or not.
Laura G.
With our "bring your own device" initiative, our corporation no longer buys textbooks. Thank you for giving me a way to still provide my students a way to have a good information source they can continually turn to.
Laura
cK-12 has been very helpful in providing short assessments that I use as homework, bell-ringers, and exit- slip activities in Science!!!!!
LJ B.
I have only recently discovered this wonderful site. I am using it as an actual teaching resource, whereby I use it to flip my class. So students will work through the content at home, regroup in class to discuss topics and issues and then they write the
Kyle
really helpful for my children
Kumudini
CK-12 has helped me positively impact student achievement in my classroom! I have found numerous problems that I have used with my students, discovered ways to improve my instruction, and developed a clearer understanding of how to target my instruction and interventions!
Kurt H.
CK12 works well with our 1-1 ipad program in our middle school. Students carry their work and flex books around in one small device! Yea, for saving their little spinal cords!
Kristin D.
cK12 has helped me immensely with book resources for my students. Now they get to read smaller sections and not be so encumbered with such large science textbooks. The practice is becoming a very valuable tool with my students as well.
Kristin
I am a Science Olympiad coach for Anatomy and Physiology at a middle school. This is our first year as a team, so I have spent hours searching for materials. Your site offers just what we need.
Kippi F.