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

It has help me get better at science

Dante

I found CK-12 when I couldn't find the answers for my homework. Best thing that could have happened, even if my teacher introduced me to it in a later time. The content is amazing! It's helped alot throught the school semester.

Daphne

this program helped me that education is important.

Danny B.

It helped me understand how to work with ratios.

Dannete R.

helping me with my work when i mostly needed it,, Thanks so much.

Danielle

Congrats CK12! I have only started using it, but it has helped me greatly. Keep up the wonderful work.

Daniel C.

this website gives you great help in math and science

Angelea P.

It has helped me learn different concepts of Earth Science.

Daniel C.

In the past, ck-12 has been a trustworthy and colorful resource that I could always rely on if I was struggling with a concept in class. In geometry this year, we're actually required to use it, and it certainly helps me to learn concepts well.

Cam

It has given me the chance to learn more about what I need. #CK-12 is awesome.

Cam H.