Testimonials

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

Use CK-12 FlexBooks® to Replace Traditional Textbooks
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Use CK-12 FlexBooks® to Replace Traditional Textbooks
Creating Teams to Make CK-12 FlexBooks®
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Creating Teams to Make CK-12 FlexBooks®
Many Reasons to Use CK-12 FlexBooks®
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Many Reasons to Use CK-12 FlexBooks®
Translate FlexBooks® with just One Click!
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Translate FlexBooks® with just One Click!
The Power of CK-12's Highlighting Tool and Word Definitions
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The Power of CK-12's Highlighting Tool and Word Definitions
Finding the Right People to Pilot CK-12 FlexBooks®
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Finding the Right People to Pilot CK-12 FlexBooks®
Curating CK-12 FlexBooks® for Relevance and Engagement
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Curating CK-12 FlexBooks® for Relevance and Engagement
Incorporating Current Events into a CK-12 FlexBook® the Next Day
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Incorporating Current Events into a CK-12 FlexBook® the Next Day
CK-12 is the High Quality Online Resource Teachers and Students Can Trust
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CK-12 is the High Quality Online Resource Teachers and Students Can Trust
Talk to the Text with CK-12's Highlighting Tool
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Talk to the Text with CK-12's Highlighting Tool
El Paso Bought Laptops and Still Saved Money with CK-12!
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El Paso Bought Laptops and Still Saved Money with CK-12!
Upgrade, Update, and Customize with CK-12
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Upgrade, Update, and Customize with CK-12

Comments from Educators

This website was a great thing for us to us because it help us to do many of our assignments. The class and I really appreciate this website and what it has provided for us. My class and I have a new assignment to do and we use cK-12 because it makes us do different things on it to provide us and them with different information they need.

Billy S.

It is a extremely propitious and handy website.It helped me a lot for giving a finishing touch for my examination.

Bhawesh K.

I have improved the labs for my online physical science class.

Beth R.

You helped our classroom by supporting our lessons!!

Bethany H.

I have found CK-12 a helpful resource for enriching my high shcool biology classes.

Beth A.

Weekly quizzes and online practice. Also use the flexbook for practice for HW.

Berenice

Live saver! Ck-12 has been a wonderful resource for me since I am teaching a curriculum that I have not taught before. Great asset.

Belinda C.

With School and sceince

Basya V.

Hi! I have used Ck-12 to supplement the resources provided by my school district for years. Eventually, CK-12 became a resource that is recommended by my school district. Congrats and best wishes as you celebrate your 10th anniversary. Also, thank you!

BC

CK-12 has helped my students access current science content as we implement the Next Generation Science Standards.

Barbara W.

Comments from Students

science was hard now it is easy thanks

Juan

I liked this website. It helped me a lot with my work

Jozabad S.

It has helped me want to do school every day!

Joy B.

it helped a lot through school learned lots and tons of stuff

Jose S.

Ck-12 Has helped me learn some really interesting new stuff I haven't learned. It helps students learn and also teachers. It provides the information that I look for.

Jose R.

Ck12 has helped me understand math concepts to science genetics and i can't express how much its help me on my education pursuit.

Jose R.

CK-12 has helped me pass chemistry, also hi.

Jose M.

It helped me learn new things i never thought i would have learned before.

Jonathan L.

Happy 10th anniversary! cK-12 has helped me learn so much, from science to social studies, and everywhere in between. Keep up the good work!

Jonathan G.

It's a relatively decent website that I find myself using usually.

John S.