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

I am a Science Olympiad coach for Anatomy and Physiology at a middle school. This is our first year as a team, so I have spent hours searching for materials. Your site offers just what we need.

Kippi F.

kindly email a lesson plan for Angles forms by intersecting secants.

Kimberlee

Finding material for my chemistry students, and also creating my own online text.

Kim W.

I use Ck-12 to find resources for my high school Significant Support Needs class.

Kim C.

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

This program help my students show growth on computer test.

Kevin W.

CK-12 has been a life saver. As a homeschool mom with multiple children on a very limited budget, any free resources that I can utilize means so much to me. The great thing about CK-12 is not just the free aspect but the quality is just as important as well! Thank you to everyone involved with CK-12!

Kia B.

ck-12 has helped me immensely regarding my preparation for the tasc ged. Thank you so much for this excellent educational website !

Kevin N.

I want to prepare my students to take and score high on standardize tests.

Kent T.

Its fantastically helpful. My students LOVE ITTT!!!!!

Kent R.