Testimonials

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

CK-12 Simulations Lead to Richer Learning Experiences
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CK-12 Simulations Lead to Richer Learning Experiences
CK-12 Simulations Connect Classroom with Real World Situations
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CK-12 Simulations Connect Classroom with Real World Situations
CK-12's Key Role in the #GoOpen Movement
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CK-12's Key Role in the #GoOpen Movement
With CK-12, Updating Content has Never Been Easier
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With CK-12, Updating Content has Never Been Easier
Why Mrs. P Loves to Use CK-12 in Her Classroom!
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Why Mrs. P Loves to Use CK-12 in Her Classroom!
Create and Collaborate with Fellow Teachers Using CK-12
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Create and Collaborate with Fellow Teachers Using CK-12
Student Engagement: Working Independently Using CK-12
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Student Engagement: Working Independently Using CK-12
Parents Love CK-12
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Parents Love CK-12
CK-12 Has Engaging and Interactive Content
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CK-12 Has Engaging and Interactive Content
CK-12 Content to Match the Right Level
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CK-12 Content to Match the Right Level
CK-12 is User-Friendly and Fits Each School's Style
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CK-12 is User-Friendly and Fits Each School's Style
Pick Up Where You Left Off with CK-12 FlexBooks®
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Pick Up Where You Left Off with CK-12 FlexBooks®

Comments from Educators

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Felicity

CK-12 has helped my students and I a great deal. First, I would to say my students who use it, love it and have also told me that they have learned how to use to their advantage for their other subjects. Secondly, I love it too. I like that it has great s

Felicia J.

Allow for my students to receive enrichment with the concepts of mathematics.

Fatima P.

school

Fatima

TEACHING CHEMISTRY

Fatih

Assistance with after school program

Farae

It brings new ideas and learning strategies to the table.

Faith W.

sience

Faith

Instructional texts for students to learn curriculum standards

F Woodall

Thanks for all the content assistance!

Eve S.

Comments from Students

Ck-12 has been a real eye opener and has helped me through my high school years

Mark T.

They helped me very well. I hope that all topics will have videos. Thank you so much.

Mark I.

it has made homework fun

Mark B.

ck 12 has helped me looking for the best topic for me to learn all learning areas.

Marjonie B.

It has helped me to better understand the topics we learn in science class.

Kylie J.

it helped me with science

Marius C.

It has made me understand my classes better.

Kyleigh M.

cK-12 has helped me a lot. I have all A's in my classes because of this website and know much more then I did before cK-12. Thank You!!! Happy 10th anniversary.

Kieahna

I understand math problem more when I practice them independently.

Kierra S.

This site has helped me, with my biology, projects, understandment of learning more ways to solve work. Happy anniversary.

Kiara M.