Testimonials

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

Worry-Free Content Curation with CK-12
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Worry-Free Content Curation with CK-12
CK-12 Offers Material Unavailable By Traditional Publishers
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CK-12 Offers Material Unavailable By Traditional Publishers
Starting with a CK-12 FlexBook® and Curating as You Go
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Starting with a CK-12 FlexBook® and Curating as You Go
Students Rely on CK-12 Flexbooks®
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Students Rely on CK-12 Flexbooks®
Worry-Free Content Curation with CK-12
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Worry-Free Content Curation with CK-12
It's Easy for Students to Search CK-12 FlexBooks®
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It's Easy for Students to Search CK-12 FlexBooks®
Embedding Videos in CK-12 to Enhance Student Understanding
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Embedding Videos in CK-12 to Enhance Student Understanding
Updating FlexBook® for Personalized Learning
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Updating FlexBook® for Personalized Learning
OER Publishing and Sharing on CK-12
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OER Publishing and Sharing on CK-12
The Awesome Ability to Update CK-12 FlexBooks®
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The Awesome Ability to Update CK-12 FlexBooks®
CK-12's FlexBooks® are Easy To Use
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CK-12's FlexBooks® are Easy To Use
Using CK-12 in a Large School District
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Using CK-12 in a Large School District

Comments from Educators

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

Mark H.

with my son's science project

Marianne

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.

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

Maria

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

Margaret B.

love the worksheets

Marcie C.

happy 10th anniversiry.

Margaret

The drill and practice has helped my son recognize which function a math problem requires.

Marc M.

to edcuate lower class student

Manish

video tutorials for lesson plans!

Macie M.

Comments from Students

CK-12 has helped and has useful information on things

James M.

you made me learn

James J.

You helped in ways

James H.

you helped me learn things from a different angle. Today i am much better at math than i was one year ago. Thank you for helping me CK-12

Jaiden

cK-12 helps me understand science. Thanks :D

Jaelyn

ck12 helped me with my math and science

Jaedon

it has helped me understand the complexity of science and break it down for me to comprehend it a whole lot better.

Ivorie S.

Ck12 helped me in learn more about history, it also helped me in my reading and practice with the English. Thank you Ck12.

Ivanna N.

It helped me learn a lot, helped during my biology classes

Ivan R.

super helpful and easy to use

Ivana