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 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.