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

Integrating all subjects and resources.

Andrea T.

I love using your textbooks for my classroom. Ties in tech and provides an inexpensive alternative.

Andrea M.

I use it as a resource in my classroom.

Amy L.

CK-12 has provided our school with free science texts and has given my students the opportunity to publish their writing online in the Understanding Biodiversity book. Thank you!

Amy H.

Helped me in my Anatomy and Biology classes - reinforcing content through grade appropriate reading

Amy B.

CK-12 has been an integral component in our move to 1-1 in the classroom. The ability to edit the content allows us to tailor the CK-12 textbooks to fit our needs. We love CK-12!

Amy

i can make my students understand better, thanks

Amruth L.

CK-12 has been helping us teach our children several subjects. Thank you #ck12foundation .

Amber

Hello CK12! I am an 8th year science teacher. I taught in Philadelphia and Washington DC, and am currently in Abu Dhabi teaching science to 12 year-old girls. CK12 is a revolutionary website. Not only can I access high-quality science literature, but I ca

Amber W.

You helped my kids love learning again! I've been homeschooling for 5 years and we just found your site last year and it's been amazing thus far! Thank you for all you do to help educate our children!

Amber

Comments from Students

love the worksheets

Marcie C.

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

Marc M.

CK-12 helped me in creating clil lesson and in developing biogeography.

Mara C.

to edcuate lower class student

Manish

video tutorials for lesson plans!

Macie M.

Improveing the motivation of my pupils

Maisa A.

I have read your biology books. With the help of ck books I am able to clear doubts of daughter and its helped me a lot. Thank you very much for CK

M.

CK-12 helps me find resources necessary for teaching standards and skills that are not in my current text book. It is supplemental material and websites that help me teach!

M Hance

I have just been assigned to teach 7th and 8th grade Science.

Lynn J.

CK-12 has provided resources so that I can be a more effective teacher!!

Lydia C.