Testimonials

See the opinions of students and educators just like you. Select from the following to learn more.

Students Love CK-12 Study Guides
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Students Love CK-12 Study Guides
Finding the Right People to Pilot CK-12 FlexBooks®
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Finding the Right People to Pilot CK-12 FlexBooks®
The Impact of CK-12 Simulations is Huge
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The Impact of CK-12 Simulations is Huge
Create and Collaborate with Fellow Teachers Using CK-12
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Create and Collaborate with Fellow Teachers Using CK-12
Be a Champion Educator with CK-12
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Be a Champion Educator with CK-12
CK-12 Offers Material Unavailable By The Traditional Publishers
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CK-12 Offers Material Unavailable By The Traditional Publishers
Updating FlexBook® for Personalized Learning
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Updating FlexBook® for Personalized Learning
CK-12 Keeps Lesson Planning Process On-Track
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CK-12 Keeps Lesson Planning Process On-Track
El Paso Bought Laptops and Still Saved Money with CK-12!
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El Paso Bought Laptops and Still Saved Money with CK-12!
Creating Teams to Make CK-12 FlexBooks®
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Creating Teams to Make CK-12 FlexBooks®
CK-12's FlexBooks® are Easy To Use
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CK-12's FlexBooks® are Easy To Use
Let Your Students Explore with CK-12!
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Let Your Students Explore with CK-12!

Comments from Educators

Ck-12 is amazing. My students love the worksheets!

Joe

i love ck12! i can use it to work with my small asian and african children!

Jimmel

The CK flexbook has allowed our science department to have an up to date resource for most of our science classes. We have not had hardcopy text books for over 20 years.

Jim L.

It has been a great resource to use. I believe it benefits my students more than me, but it is certainly been a useful tool-resource.

Jim K.

CK-12 IS AMAZING! It deepened my child's knowledge and understanding involving geology, health, and much more! Thanks a bunch for always being there for my child when he most needed it.

Jewel

I use it with special education students to find articles at lower reading levels. I also post links to articles on google classroom for students to read to reinforce their learning from class.

Jessica D.

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.

GIVES READING ACTIVITIES TO KIDS

Jenny B.

Providing great resources for my homeschooling needs

Jenny

cK-12 is a wonderful resource. I am a middle grades science teacher and have enjoyed this resource on a weekly basis.

Jennifer R.

Congratulations! You have done good work and helped many in their education journey. Interactive practices, instantly graded tests, and outlines and explanations, including videos and PLIXes, have helped me and my math students.

Jennifer T.

Amazing resources for my 5th grade class! Grateful for it!

Jennifer S.

I value cK-12 as a resource. I am a middle school science teacher and use cK-12's website on a weekly basis.

Jennifer W.

Looking for a better way to explain scale drawings and proportions to my special education students

Jennifer L.

It helped my son so much he is algebra 1 and is passing it very well

Jennifer D.

CK12 was a great resource for my middle school students because they were preloaded on their devices. Our internet connections were spotty at best in my classroom and CK12 provided a stable platform for me to teach and students to learn.

Jennifer

CK-12 has helped my chemistry students to understand course concepts better. Students enjoy the interactive tutorials: these online tutorials help to differentiate learning in a more engaging way. I LOVE using CK-12 in my science classes!

Jeff O.

lesson planning

Jeannie

Great resources, and learning sequences, available to students in school and at home. Thank you for your site it is invaluable

Jeannette M.

Happy Birthday

Jay

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.

Tomeka Daugherty