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
it has help me with my school and ect...
Bethy Pretty
It has helped me because it gives you examples and helps you understand the work you are doing. Thank you ck-12
Lauren C
I love this site
Latonya Herbert
It was great because so I can send messages to my teacher and have free stuff.............
Tammy Chen
i haven't failed science thx to you
Matthew
This site has helped me learn about new and different things that I hadn't known before! So, thank you!
Maeve
CK12 is the best online learning source ever.
Mason Ramos
i loveeeeeeeeeeeeeeeeeeeeeeeeeeeeee ck-12 so much too bad i cant use it in high school next year
Latina Harris
It has helped me learn things I have never even know.
Elizabeth H
you help me learn plant pollination and about biology. thank you and i love you
Severa Swiger
I am a biology student so it helps me a lot when doing assignment
Ikhmal Syuqkin Bin Ismail
Helped me pass college statistics
Torronce
I can get my school work done in a fun way.
Imoni
nesecito que me ayuden con una tarea de geometria
Yuleni Meisa
It has helped me with all subjects over the past 1 to 2 years.
Samarj Clifton
You helped me a lot with science
Abel
Congrats on 10th anniversary and it has made me smart!:D
Gabrielle T
You made me get a 75 on a test
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.