Testimonials

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

CK-12 is Adjustable to Each Student's Level of Learning
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CK-12 is Adjustable to Each Student's Level of Learning
Students Love CK-12 Study Guides
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Students Love CK-12 Study Guides
CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
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CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
Personalizing and Blending Learning with CK-12
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Personalizing and Blending Learning with CK-12
CK-12 Meets Every Student's Needs
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CK-12 Meets Every Student's Needs
EPISD Saw Results After One Year of CK-12 FlexBooks®
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EPISD Saw Results After One Year of CK-12 FlexBooks®
CK-12 Offers Support for All Students and Teachers Worldwide
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CK-12 Offers Support for All Students and Teachers Worldwide
Be a Champion Educator with CK-12
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Be a Champion Educator with CK-12
Using CK-12 Modalities to Bring Learning to Life
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Using CK-12 Modalities to Bring Learning to Life
CK-12 Keeps Your Students Engaged
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CK-12 Keeps Your Students Engaged
CK-12 Fuels a Greater Learning Experience
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CK-12 Fuels a Greater Learning Experience
CK-12 Availability: No More Excuses
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CK-12 Availability: No More Excuses

Comments from Educators

Congratulations on your 10th anniversary

Freddie

Great resources

Fred

this website made reading easy to access

Francisco V.

I love ck 12

Focilia

with school

France R.

Excellent resource for students struggling with homework.

Flor

very helpful

Filden

By providing resources for discussion with my graduate students.

Fernando E.

The website is great and rich; wonderful resources. My students demand work from the platform and they love the adaptive practice and quizzes. Thank you.

Felix B.

I have used the lessons to help my ELL's, for introducing lessons, for tutoring, and for enriching my lessons. Thank you!!!

Fernanda S.

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