Testimonials

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

It's Worth Transitioning from Traditional Textbooks to CK-12 FlexBooks®
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It's Worth Transitioning from Traditional Textbooks to CK-12 FlexBooks®
CK-12 Digital FlexBooks® Allow You to Customize Curriculum
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CK-12 Digital FlexBooks® Allow You to Customize Curriculum
CK-12 Helps Student Go Deeper with Learning
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CK-12 Helps Student Go Deeper with Learning
CK-12's Flexibility and Accessibility
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CK-12's Flexibility and Accessibility
The Impact of CK-12 Simulations is Huge
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The Impact of CK-12 Simulations is Huge
CK-12's Mission Drove EPISD to Share Materials with Others
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CK-12's Mission Drove EPISD to Share Materials with Others
The Innovation of CK-12
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The Innovation of CK-12
It's "Very Easy" to Create CK-12 FlexBooks®
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It's "Very Easy" to Create CK-12 FlexBooks®
CK-12 Keeps Lesson Planning Process On-Track
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CK-12 Keeps Lesson Planning Process On-Track
CK-12 Makes Differentiated Learning Come to Life
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CK-12 Makes Differentiated Learning Come to Life
Using CK-12's Platform to Deliver Instruction on Devices
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Using CK-12's Platform to Deliver Instruction on Devices
Personalized Learning with CK-12
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Personalized Learning with CK-12

Comments from Educators

At a time when we were not able to continue paying for private instructions, we found this site and it was our salvation. We valued the set up and the freedom it presented to design the best course of action for 8th grade studies. Now moving on into 9th grade studies and more diligent record keeping, we are continuing on at the 9th grade level.

James L.

Hello guys. Very Good Job, Happy 10th Anniversary

Izzy

many teaching resources are getting this site for me

Jaleesa

Teaching

Jacqueline S.

We use cK-12 for our high school Science and math curriculums and the students love and the teachers find it easy to use and an enhancement over traditional textbooks.

Jack

First year using completely digital books in 7th science thanks to you! Awesome!

J Daniels

It has helped me with very fun and creative activities to deliver meaningful lesson to students of different learning abilities.

Isela

I love science and the online books are so easy to access! I love the ck-12 website home page thing! every thing is so well organized! I just love ck-12!

Isabella

It has help students grasp concepts via video and plix shown by increased test scores on weekly exams and it has help me save time gathering these resources.

Iris H.

I used some of the lessons for my national board certification. Lessons from ck-12 have helped my students to understand concepts from readings and videos provided. Love Ck-12

Holly D.

Comments from Students

It has helped me a lot in science and understanding it better.

Anika S.

CK-12 has helped me a lot, especially with math. My teachers for the past two years have used CK-12 and it's an easy way to take math step by step to help you understand it better.

Anika

it has help me learn new stuff

Angela P.

CK-12 has helped me understand information on a deeper level and gain confidence in my knowledge. Instead of just reading information, I make sure to understand it and learn. By just providing information with such fantastic structure, I have realized how easy it is to obtain information and I strive to learn more each day. Thank you for providing such a reliable source and helping me out!

Angelina

You guys helped explain hard concepts

Angie

It helped me with science and stuff.

Angelica M.

it help me truley understand math

Angela R.

It helped me learn and also read more for my education!!

Angela M.

CK-12 has helped me since my freshman year. It helped my in my physics class and helped me understand challenging concepts more easily. It's a great and helpful resource.

Angela

This has been the greatest resource that I been looking fo.

Angel M.