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
Provides revision.
Gabriella R.
ck12 has help me by making me study even harder i am really excited that i am using ck12 and i would give you all a congradulations your 10th anniversary you did work hard for this
Gabriela C.
I'm using CK-12 for the first time to teach ESL Science. The materials seem interesting.
Gabriel L.
lol idk just joined ttyl
Fredrick W.
money
Freedom D.
Congratulations on your 10th anniversary
Freddie
Great resources
Fred
this website made reading easy to access
Francisco V.
with school
France R.
Excellent resource for students struggling with homework.
Flor
I love ck 12
Focilia
very helpful
Filden
By providing resources for discussion with my graduate students.
Fernando E.
I have used the lessons to help my ELL's, for introducing lessons, for tutoring, and for enriching my lessons. Thank you!!!
Fernanda S.
The website is great and rich; wonderful resources. My students demand work from the platform and they love the adaptive practice and quizzes. Thank you.
Felix B.
gather information
Felicity
CK-12 has helped my students and I a great deal. First, I would to say my students who use it, love it and have also told me that they have learned how to use to their advantage for their other subjects. Secondly, I love it too. I like that it has great s
Felicia J.
Allow for my students to receive enrichment with the concepts of mathematics.
Fatima P.
It brings new ideas and learning strategies to the table.
Faith W.
TEACHING CHEMISTRY
Fatih