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
School couldn't be the same without this website. I know I'm not the only homeschool student that feels that way. Keep up the good work
Evi
Hi. it works a lot espically in school to help me understand things to help me proceed in life.
Naomi
Ck 12 has helped me as a teacher to find resources
Vernica Lee
CK-12 has helped my grades improve
Dakota
You helped me to learn more in science!! Thankyou :D
Hailie
I am terrible at math. And with cK-12 you make it a little easier to understand for me. So thank you for that!
Gabrielle E
CK-12 has helped me with my homework and things i did not understand. Thankyou
Dajah
When I have problems in science, cK-12 is there to help.
Alan Mao
well it helped me learn stuff that i needed to learn for science
Alex O
CK-12 helps me learn more within 15-20 minutes of science than 1 month of science class. Thanks CK-12!
Aditya Parulekar
It has helped me learn more thank you k12
Takira
i am home schooled and ck 12 has really helped me with my studies
Kaitlyn M
I've only been using this site for roughly a week but in that week I have actually been able to complete and understand my homework and I have a test soon on what I've been studying here and i have no doubt I will get a amazing grade on it. I'm so thankful on the vast number of topics there is as well I shared this site with my friend as well and it definitely helped their grades as well.
Racheal
Ck12, has helped become a better student and work harder in my science class.
Lamees Sattar
it has helped me alot during class. it was better than a book to learn out of.
Serenity W
CK-12 has helped me by finding anything that needed for me to succeed in school.
Toma
Hi ck-12!!! congratulations!! Im one year older then you!! But....... you guys helped me get a A in science class and my teacher was very impress with my work I have. I just started when I first became a 6th grader, and I was pretty mad I had too start a new website. I always had gotten a D in science and I love science
Jasmine Whitfield
It helped me with my matter project and my chemical engineering paper. I love this website.
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.