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

CK-12 helps out on 2 of my subjects and it makes learning easy. And, some of the videos are funny and it makes learning fun too. I love CK-12 because I met some people who work for it and they were so nice. CK-12 is awesome, and I think it should never be

Lillian B.

I use your lessons as homelearning activities

Lianett H.

My school district went full implementation with the new NGSS standards, but did not provide us with any curriculum. CK-12 saved the day!! Thank you CK-12!!!

Leslie F.

I am a school admin. and I am interested in learning more about Flex books.

Leslie

CK-12 has helped us with our homeschooling and letting my daughter move at her own pace.

Leigh

free books!!!

Lauryn C.

CK-12 really helped me last year teaching 7th grade social studies. The content, which was broken down by standard, helped me and my students get a better understanding of the material.

Layne B.

It's easy to create assignments for my students and I love that they don't discriminate the fact that I homeschool my children and use this.I hope in the future they have more english to use.Thank you.

Laurisa N.

It has helped me with transitioning in a block schedule to incorporate NGSS lesson.

Laurie R.

CK-12 has been a great help daily as I integrate it into my Biology and Environmental Science Classes. My students love it and I can not thank the developers enough for making student & teacher friendly resources

Laurette S.

Comments from Students

Helped me understand Chemistry better.

Molly

they have helped with all homework

Mikia W.

I sucked in math and these guys gave me multiple tools to strengthen mymath skills

Mikeyia

Since I joined ck12 I've learned about geography, biology and chemistry easily by having information in easy access

Mikel A.

It was very professional and useful.

Mike R.

You guys have helped me obtain notes and study. You also help to organize the content. Thanks!

Max

The practice problems help me study for tests.

Mauricio

This has helped to realize the simple things about the greenhouse effect

Maurice F.

cK12 helped me and my science class through extensive learning programs and quizzes, and it is very easy to get around inside. It is very helpful to me and my class. I learn a lot here!

Maude W.

It helped me with my vocabulary

Mattneil M.