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
CK-12 has helped to improve my Science Grades
Alan
This site has helped to further my education keep up the good work its amazing
Alex F
It helped me learn science.
Tori H
It helped me in science.
Quinn Hennessey
CK-12 has helped me maintain and keep a good grade in ACC Chemistry this year. Keep up the good work!
Dalton Polley
You helped me do alot and learn more.
Lamar
It has helped me learn more about what my teacher has already taught me
Tori L
It has helped me by teaching me a lot about what I didn't know
Ella U
It has helped me with a lot of things such as learning and understanding better. Thanks a lot happy tenth anniversary!!!
Lakelyn Ross
My teacher assigns work based off articles from your website and you always have clear answers in the readings so thanks for giving me easy 100's.
Jalyn Grace
CK-12 has helped with great resources.
Vince Deblase
it has helped me alot with math and it is a good way to learn
Aj W
My learning has become much better.
Tori
super helpful and easy to use
Ivana
It has helped me with my math skills so far, thank you!
Ralphel
CK-12 has been helping get through my Geometry class with no problems what so ever. Thank you CK-12!
Hall
Made me happy
Pau La
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.
Comments from Educators
CK12 is a fantastic FREE resource that is comprehensive and engaging. I want my students to learn to look up information and use Internet resources and CK12 provides the opportunity for them to look things up without my help. The readings are clear and I
Jan
kindly email a lesson plan for Angles forms by intersecting secants.
Kimberlee
I would like to have access to the webinar to use some of the 3-5 resources. I liked the tremendous amount of activities I can use with my fourth grade class.
Denise H.
Ck-12 is amazing. My students love the worksheets!
Joe
You have helped gain me so many assignments with full distinctions
Kelly N.
Great resources, and learning sequences, available to students in school and at home. Thank you for your site it is invaluable
Jeannette M.
This is my first time at your website. I have demystified mathematics and looking to create and publish projects that enable students to become accountable for sense making to overcome previous barriers to progressive math studies to qualify with problem solving skills for 21st century careers from math-based STEM field curriculums for starting salaries of $60,000.
Jerry R.
Live saver! Ck-12 has been a wonderful resource for me since I am teaching a curriculum that I have not taught before. Great asset.
Belinda C.
I have used cK-12 to help teach and plan lessons for my students.
John A.
I just found this website yesterday, and I think that it's awesome! I can't wait to use this all the time in my classroom! Thanks!!
Julie B.
CK-12 has revolutionized they way I work with students. I am most especially grateful because it allows me to work with students who are distance learners.
Kim
I love teaching and work books can I use your experience
Alireza
ck12.org has been a great find! Free, quality on-line textbooks that can be customized as desired. PLUS on-line 'instant' quizzes that provide feedback and links to my LMS - a true TREASURE! Congrats on 10 Years!!!
Donna E.
cK-12 has helped me with supplemental learning for my students in Science 8th grade and HS Chemistry class. It's great since the cK-12 lessons teach the same scientific vocabulary that are in my standards. Thank you for making education free, accessible and easy to accomplish on a smart phone. You are speaking the students' language!
Adam
CK-12 has been an integral component in our move to 1-1 in the classroom. The ability to edit the content allows us to tailor the CK-12 textbooks to fit our needs. We love CK-12!
Amy
It's my first year in a new school, with a completely different curriculum structure than I'm used to teaching in biology, and my class did not come with any textbooks! For the first 2 months of school I would spend countless hours trying to combine diffe
Kathryn 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.
it has helped me to attain my bsc
Garvin M.