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

You have helped my teachers by provided a large and reliable source of information for them, as well as a cite that their students can go on and explore. In turn, that helps me.

Alyssa

CK-12 makes my life easier in terms of extra activities for my students to reinforce what is being discovered in Science.

Álvaro E.

it helps me find fun, well thought out lessons for my students.

Alli

Incorporate reading into my science classes.

Alexis S.

I love teaching and work books can I use your experience

Alireza

CK-12 has been an incredible resource in my classroom to help improve student learning. Bell work activities, extension questions, supplemental practice problems, and application graphics have all been utilized by myself and my students. Thank you for all

Alexander F.

CK-12 has not only been a great resource for my students, but it helped me land my first job out of college! I used a CK-12-created NearPod presentation in a lesson I taught to a panel of interviewers in my final round. Thank you for the great work!

Alexis M.

I am sincerely grateful to anyone out there who takes the time to provide kids with an education when they wouldn't have been able to get it in another way. CK-12 has definitely been a very helpful site, one that is fun, motivational, and most importantly

Alexis

I am reviewing the topics of Life Science. Interesting. I like the multimedia.

Alexander F.

You have helped me create quick and modifiable text for my students!

Alexa C.

Comments from Students

It lets me learn lessons at my own pace and learn from my mistakes so I really like that.

Flor F.

I love how well the examples are explained and i couldn't do my homework without it. :0

Fernanda

CK-12 has helped me memorize lots of new scientific words and helped me become better and smarter at paying close attention in what I am reading. I also like how it doesn't take a lot of time to complete a task. It only takes me about 15 minutes to comple

Fernando

cK-12 has been part of my experience as student and has been helping me to discover in a different way the sciences

Estefany V.

i like using ck 12 because it helps me learn alot.

Felsiha, Daquan

Ck12 has helped me learn how to find keywords in the question and match it with the answer

Ervin M.

It has helped me improve my Science skills, and continues to help me more often as I prepare for my AP Exams. Happy 10th Anniversary!!!

Esperant K.

helped me learn and understand more.

Emmalee

Happy 10th anniversary! Great job so far, you have helped me so much because you are online so I can access you anywhere!

Emma T.

Ck12 helped me pass my science class this year. #youlit

Emma H.