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 helped me with my math and science i got an A+ on my semester exam
Iysis
It helped me in science.
Quinn Hennessey
CK-12 has been very helpful in my high school years. With the advancement of technology, I no longer have to carry heavy textbooks around school or home or worry about damaging them. CK-12 also provides videos and Other amazing tools, which I am very grateful for!
Bettina
help me get smarter
Jonathan Rivera
CK-12 help me by making math books and lessons available.
William Wofl
CK-12 has been helping get through my Geometry class with no problems what so ever. Thank you CK-12!
Hall
I struggle at science but with ck-12 resources from my teacher helps me understand difficult concepts. So thanks a lot!
Paula
CK-12 has helped me understand science and science terms. I take notes on the articles CK-12 provides and I get good grades on my assignments.
Abraham
you teach me to never give up
Lauren
you help me learn plant pollination and about biology. thank you and i love you
Severa Swiger
helps practise my skills in maths
Nastia
This is amazing website that helps me learn everything I need to. Couldn't be more helpful!
Daelani
CK-12 has helped me in a great number of ways with my school.
Elishah Presley
Thank sfor great lessons in Science and History.
K. Pinnell
Helped me find ways how to solve math problems.
Evelyn
i didn't know what orbitals were until now thanks you
James
It helped me with astronomy
Natalia
It is a good website to understand the concepts of things
Comments from Educators
CK-12 has provided our school with free science texts and has given my students the opportunity to publish their writing online in the Understanding Biodiversity book. Thank you!
Amy H.
helped me learn how to do my math better
Brady
Absolutely an amazing experience. I love that I can customize the textbooks to include what I believe is relevant in the order that I feel is a good flow. Thank you for saving my district so much money!
Jason W.
with lessons for the 1st grade classroom
Loralei B.
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.
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.
NOT AT ALL
Gracie
many teaching resources are getting this site for me
Jaleesa
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's a very fun and interactive way to teach and sum up the boring information teachers repeat again and again.
Joe M.
I have used parts and all of many lesson plans. Thanks.
Cathryn B.
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.
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
I have used the lessons to help my ELL's, for introducing lessons, for tutoring, and for enriching my lessons. Thank you!!!
Fernanda S.
CK-12 has helped my students access current science content as we implement the Next Generation Science Standards.
Barbara W.
Provides plenty of well structured lessons
Janet
You have helped my teachers by provided a large and reliable source of information for them, as well as a cite that their students can go on and explore. In turn, that helps me.
Alyssa
I am a special education teacher, I use information to help kids understand concepts in the biology class.
Jason V.