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

gather information

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

In many instances, available resources are not sufficient to explain a particular problem, so it is a relief to be able to turn to cK-12 for help.

Marion N.

Thanks for providing free, high quality resources for kids and teachers! I love the flexible way that resources can be built.

Mark H.

I love the concise way that the open resource materials cut to the chase. I can focus more clearly using these materials.Thanks for creating them.

Mark C.

with my son's science project

Marianne

Integrate wonderful lessons that engage my students in middle school education

Marian R.

It has helped to develop engaging lesson plans

Maria L.

I use it for Credit Recovery Program. My students like it!

Maria

happy 10th anniversiry.

Margaret

Thanks so much for your resources. They have helped me in my Earth Science and Biology classes. I am a special education teacher who uses your article and other resources to help my class. Congratulations on celebrating 10 years!

Marguerite T.

I am just starting to use Ck-12, so far it seems like a great resource for homeschooling my daughters.

Margaret B.