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
Made me smarter
Jordyn Horne
Hello,CK-12! As a non-native English speaker,I have been reading CK-12 textbooks for learning not only STEM but also English. I really appreciate your hard work to provide such a good learning platform for so long. Wish you all happiness,health and prosper
Weilai
it has helped me understand the complexity of science and break it down for me to comprehend it a whole lot better.
Ivorie Snow
CK-12 has helped me by giving me easy access to textbooks I need for my school work.
Faith Brandt
Very helpful gave me a lot of information that i need in my study
Wiam Alqaderi
It is a great web for kids
Tram
You have helped me become a better student.
Kaitlyn D
Helped me in social studies.
Paul Trumpore
I want to thank you guys for everything you guys have done. You make things easy to access and have offered many helpful things within my classes.
Adam Bradley
It has helped me learn science. In science class we always use this site. My teacher loves this site. Thanks for everything.
Jordan
Ck-12 helps me in science because, they use this website for teaching us. Its working!!!!
Not Telling
i dont know but it has helped me learn somewhat in science...
Paulina
CK has helped me a lot with my journey in knowledge
Aiden Hatfield
it helps me in doing my homeworks and searching for the things that makes me curious
Nur Logan
It really helps advance learning and knowledge for senior high school
Normalina
It has helped me learn my 2 worst subject and it is now one of my favorite subjects all because of cK-12
Quinn Ames
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 helped me in my science class
Comments from Educators
kK-12 have helped me to find many activities and links to use in my class
Consuelo S.
Awesome resource!!! Keep it free!! Keep up the excellent work!!
Christopher S.
I can communicate with my children about assignments when I am working and I the resources have been a valuable resource for our classes with multi-faceted view points and study aids.... Thank you
Hodge Home School Academy
Tutoring!
Katie A.
to edcuate lower class student
Manish
CK-12 has helped me by providing resources to support and reinforce lessons for my middle school students
Elaine H.
CK-12 has helped liberate my classes from a traditional textbook. Now my students can read the content they need at their own level.
Donald K.
Excellent exercises and resources! Congratulations!
Cielo
help me with developing lesson plans for ELA or English
Jose
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
This cite allows me to provide practice for my students that isn't always just another worksheet. We all like the immediate feedback that this site provides.
Daire M.
Identify resources staff can use to develop relevant science curriculum
Brian A.
Assistance with after school program
Farae
CK12.org has given me an online text and teaching materials that are NGSS aligned. This has enabled me to teach to the standards even though our school does not have a physical textbook. This has been such a lifesaver as a junior high science teacher!
Anne K.
lesson plan for the topic mendel's law of inheritance
Eric C.
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.
Hi! I have used Ck-12 to supplement the resources provided by my school district for years. Eventually, CK-12 became a resource that is recommended by my school district. Congrats and best wishes as you celebrate your 10th anniversary. Also, thank you!
BC
I am a first-year chemistry teacher in an under-funded charter school. Our books are almost 10 years old and our lab doesn't have a complete stock. While searching to remedy some of these challenges, I stumbled upon CK-12 which offers a solution to a semi-outdated text and no online option for students who have grown up in the technology age. Thank you for allowing me to add your site as a resource and have options for useful tools to teach my students. Your site helps to make me a better teacher.
Dr K