Testimonials

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

CK-12 Simulations Lead to Richer Learning Experiences
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CK-12 Simulations Lead to Richer Learning Experiences
CK-12 Simulations Connect Classroom with Real World Situations
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CK-12 Simulations Connect Classroom with Real World Situations
CK-12's Key Role in the #GoOpen Movement
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CK-12's Key Role in the #GoOpen Movement
With CK-12, Updating Content has Never Been Easier
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With CK-12, Updating Content has Never Been Easier
Why Mrs. P Loves to Use CK-12 in Her Classroom!
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Why Mrs. P Loves to Use CK-12 in Her Classroom!
Create and Collaborate with Fellow Teachers Using CK-12
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Create and Collaborate with Fellow Teachers Using CK-12
Student Engagement: Working Independently Using CK-12
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Student Engagement: Working Independently Using CK-12
Parents Love CK-12
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Parents Love CK-12
CK-12 Has Engaging and Interactive Content
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CK-12 Has Engaging and Interactive Content
CK-12 Content to Match the Right Level
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CK-12 Content to Match the Right Level
CK-12 is User-Friendly and Fits Each School's Style
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CK-12 is User-Friendly and Fits Each School's Style
Pick Up Where You Left Off with CK-12 FlexBooks®
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Pick Up Where You Left Off with CK-12 FlexBooks®

Comments from Educators

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

Lydia C.

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.

i have used ck-12 while home educating my children via google apps

Luna F.

This resource has been invaluable to me. I can use it for remediation and acceleration. Thank you.

Louise P.

CK-12 has helped me provide online resources for my special education students to access at home!

Lurleen M.

I was able to create worksheet practice for my students.The videos available were also helpful in helping students review concepts

Lotoya G.

This has been an excellent resource for my class room. Our students do not have take home text books since we are a Title 1 school and money is limited. I have used this as a resource for homework and differentiation using your different workbooks. I have also used it as a large group presentation of a topic and then practiced using materials linked. I have also created several "webquest" type activities for use in our computer lab. Thanks for all of the hard work that went into this and I would love to see Social Studies/World/American history as fleshed out as the science is! Loved it!

Lorre C.

Comments from Students

CK-12 has helped me by understanding my subjects more and making me smarter than before.

Angel A.

CK-12 has helped me immensely with math, physics, and chemistry throughout these last few years. Thank you CK-12.

Angel

ck-12 helped alot by making me ready for my mid-year exams and pasted them

Ange N.

It helps me to learn other facts that I did not know.

Anfernee D.

Ck helped me by learning about articals that i didn't even know about

Anessa M.

cK-12 is a fun way to learn!

Andrew M.

CK12 has helped me with my science quiz and notes.

Andy M.

Well it has helped me study for many many tests over the years

Andrew F.

Ck-12 is a very cool website it is the best and helped me through a few years :O thank you for helpin' me with my science, and such and many many things ! Love from me ! -Amy

Amy

It's helped me with science a lot.

Amy