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
I use the Science Flex book for school!
Veronika
Got me a 100 on project
Takeyriah
you help me learn plant pollination and about biology. thank you and i love you
Severa Swiger
It has helped me understand things that I have never understood before. I really like this website
Serenity Zientek
Well ck12 has helped me become the student that I am I think.
Blake N
It is very fun and helpful
Willy
The way you guys set up the projects helps me learn and actually be interested in my classes.
Matt Fuchs
Helped me get to 7th grade
Yesenia
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.
Willie Woodard
I like this. It helps me learn more then I used to know.
Tanaiya Bulloch
CK12 has helped me through many tough times. It's all because of ck12 that I could get back on track in maths class and I could get a perfect score. It has been immensely helpful. Thank you so much.
Taiba Abid
It helps me get my science done
Ivory Ray
Very helpful gave me a lot of information that i need in my study
Wiam Alqaderi
i haven't failed science thx to you
Matthew
It helped me understand the cell theory
Adrina Stone
I can get my school work done in a fun way.
Imoni
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
CK-12 has really helped me when it comes to school assignments and homework. It's a great website and I hope it stays up and running for many more days to come :D
Penelope
This program has helped me exceed and get a so much better grade in science. THANK YOU!!!
Careena F
Helped me prepare for my teacher certification math portion.
Comments from Educators
Wonderful simulations to enhance student understanding AND they work on the student iPads!
Chauncey H.
it help my student to have a better understanding on the specifc topic in the class discusion.
Charlin
In the digital age I find have a paper textbook for a dynamic science world limiting and not budget wise. Thank you for making this service available! I find it very useful as a resource in my classroom.
Charles R.
I have two children. One is 10 and the other 7 and they both are getting better with math as the semesters go by. Thank you for makimg this site free.
Chantely B.
well I am impressed by the high quality of the material, best of all, free to use. Keep up the good work!
Cesar R.
I love the helpful video links within the textbook and the integrated practice problems for the students
Cathy C.
Providing guided resources for teaching Earth Science. I class that I only recently began teaching was incredibly beneficial
Cassy B.
I have used parts and all of many lesson plans. Thanks.
Cathryn B.
It has given my students wonderful lessons!
Carolyn H.
I shared this resource with my students
Carmen M.
It has helped me find resources for my students
Carema M.
Helped me become a better teacher by offering a variety of resources to keep them engaged!
Caitlin C.
CK 12 was useful as I could download the text books for use with me students. Now I cannot do that anymore. Congratulations on your 10'th anniversary, you have gone from useful to useless for me.
C Smith
Amazing resource! With so many statewide educational budget cuts, it has been extremely difficult to find quality teaching resources. cK-12 has filled that niche quite nicely! I would recommend this valuable site to anyone. Thanks!
Bryan H.
Identify resources staff can use to develop relevant science curriculum
Brian A.
Providing lesson resources.
Brittany S.
Ck12.org has helped each and every student who has come to our center. I was been a great experience for our students, as well as a enormous help for the teachers! CK12.org has made our learning journey easier and more exciting!!!
Bright Harbor Academy
helped me learn how to do my math better
Brady
This is a great "go-to" site for my daughter and I when she is struggling with a new math concept and needs that extra help. Thanks cK-12!!
Brenda S.
CK12 has helped me assist others by allowing them to be a part of this learning initiative.
Boris A.