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

school

Fatima A.

Assistance with after school program

Farae

sience

Faith A.

Instructional texts for students to learn curriculum standards

F Woodall

Thanks for all the content assistance!

Eve S.

Very good resources and excellent lessons.

Erington

Great resources to support MYP curriculum without textbooks

Erin

It has helped me with the additional resources available. They are very useful.

Emma A.

its helps me get better and learn new resources

Eric S.

I have relied on CK-12 for simulators to help my students understand topics that are not able to be done easily in the classroom and has helped them to learn and also saved the school money!! Thank you and happy anniversary!!

Ericka O.

lesson plan for the topic mendel's law of inheritance

Eric C.

Send Geometry support materials

Emmanuel N.

Access to awesome texts for my students!

Emma

I love using the free resources as a literacy component in my science classroom. Many topics that I teach can be found at Ck-12 and the content is both accurate and engaging!

Emily I.

I began homeschooling and immediately went into panic mode, but after another homeschooling mother recommended this site I was immediately put at ease.

Elizabeth S.

I have used articles on a variety of Science topics with students to enhance their understanding

Ela B.

CK-12 has helped me by providing resources to support and reinforce lessons for my middle school students

Elaine H.

As a teacher it provides a resource for my students they may not have thought about. I look forward to seeing what it has to offer.

Ed

ck-12 is an amazing resource that provides up to date information that I can use to supplement our science textbooks. It also has leveled activities which helps when differentiating instruction. Keep up the great work!

Donna N.

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

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