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 made my life easy
Mathunyane Alfred
CK-12 has helped me by allowing me to learn more things every day. I think that CK-12 is the right site for me and i love this site.
Jonvion Bryant
Ck12, has helped become a better student and work harder in my science class.
Lamees Sattar
ck12 hepled me get better grades so far and helped and teached me alot of things i didnt know
Sami Jones
Its helped me study a lot!
Alana
It helped me learn a lot, helped during my biology classes
Ivan R Ramos
It has helped me by teaching me a lot about what I didn't know
Ella U
Ck12 has helped me push myself to be passionate about chemistry. thank you.
Abby Kilpatrick
CK-12 has helped me in a great number of ways with my school.
Elishah Presley
ck-12 helped me with my homework and my project at school
Genice Sverre B. Dagatan
it helped understand how to solve ratios.
Nasia
nesecito que me ayuden con una tarea de geometria
Yuleni Meisa
It helped me to study for my tests, I really love it
Laith
This has helped me study for tests and has helped me in science class.
Haleigh Johnson
OMG!! cK-12 has helped me with sooo many assignments at school!! When my teacher assigns me a page from this website, it helps me with things I don't know, and when I take a quiz afterwards, I get a great grade!! Thank you cK-12!! :D
Wolfesess
I love this website
Camya Boone
helped me understand concepts in chemistry
Aileen Berroya
I love to use this website for 7th grade science it helps soooooo much i love this website.
Ian
CK-12 has helped me a lot with my grades
Immanuel M
IT HAS HELPED ME A LOT IN EXAMS.
Comments from Educators
You helped my kids love learning again! I've been homeschooling for 5 years and we just found your site last year and it's been amazing thus far! Thank you for all you do to help educate our children!
Amber A.
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
it helps me find fun, well thought out lessons for my students.
Alli
I love teaching and work books can I use your experience
Alireza
Incorporate reading into my science classes.
Alexis S.
CK-12 has not only been a great resource for my students, but it helped me land my first job out of college! I used a CK-12-created NearPod presentation in a lesson I taught to a panel of interviewers in my final round. Thank you for the great work!
Alexis M.
I am sincerely grateful to anyone out there who takes the time to provide kids with an education when they wouldn't have been able to get it in another way. CK-12 has definitely been a very helpful site, one that is fun, motivational, and most importantly
Alexis
I am reviewing the topics of Life Science. Interesting. I like the multimedia.
Alexander F.
CK-12 has been an incredible resource in my classroom to help improve student learning. Bell work activities, extension questions, supplemental practice problems, and application graphics have all been utilized by myself and my students. Thank you for all
Alexander Fd.
You have helped me create quick and modifiable text for my students!
Alexa C.
It has helped me in revising basic concepts before teaching a class. I have used visual representations in my classrooms.
Ajmal R.
My class has learned so much from ck 12, its easy, resourceful, and all in one place. Thank you so much!
Alex J.
Provide great resources for teaching my scholars Algebra
Akinade S.
ck 12 is the only app which i get that is fully free second thing i m a cbse board student and the books available on ck 12 have material that i cannot get even in best refrences avalaible in my city.............. i prepared foooooor classssss 10 board from i and achieved 10 cgpa
Akhil
I enjoyed using cK-12. I is a good website for biology. I recommend it to any teacher or student dealing with biology. It is very easy to use, covers all topics in biology in the utmost simple and fulfilling way.
Ahmed E.
preparing for physics lessons
Adeoye
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
I'm just starting to use it. It looks agreat resource for me especially being a new teacher.
Abdirashid A.
CK-12 is such a great help for me as a student teacher, it gives me the information that i need to know for my everyday teaching-learning experience. CK-12 is awesome!
Adrian D.
I enjoy reviewing our lessons and adapting them with my text. It gives extra text for my students to review.
Adrienne S.