Testimonials

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

CK-12 Helps to Address Learning Gaps
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CK-12 Helps to Address Learning Gaps
CK-12 Offers Material Unavailable By Traditional Publishers
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CK-12 Offers Material Unavailable By Traditional Publishers
Every time I open CK-12 There Is Something New and Engaging
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Every time I open CK-12 There Is Something New and Engaging
Start Small or Dive Right In with CK-12
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Start Small or Dive Right In with CK-12
CK-12 FlexBooks® as Primary Resource in Algebra One Class
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CK-12 FlexBooks® as Primary Resource in Algebra One Class
Continue Learning After the Lesson is Over with CK-12
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Continue Learning After the Lesson is Over with CK-12
CK-12's Adaptive Practice Allows You to Identify Where Each Students' Gaps Are
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CK-12's Adaptive Practice Allows You to Identify Where Each Students' Gaps Are
Confidence in Connecting to Standards with CK-12
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Confidence in Connecting to Standards with CK-12
Easy to Update and Modernize Content with CK-12
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Easy to Update and Modernize Content with CK-12
Illustrations Come to Life with CK-12
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Illustrations Come to Life with CK-12
Easily Share Content with other Districts and Teachers with CK-12
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Easily Share Content with other Districts and Teachers with CK-12
CK-12 Has Revolutionized How I Teach
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CK-12 Has Revolutionized How I Teach

Comments from Educators

CK-12 is off thee chart! I love using this tool in my chemistry classroom because it brings in a variety of perspectives and does progressive testing. A great tool for getting them ready for what NGSS is bringing down the pipeline.

Kelly M.

I use CK12 all the time in my science classes! It is a great summary of all the content, its in one location, and has all the media extras that keep students engaged. They really prefer CK12 to old school textbook assignments. I am teaching a marine scien

Kelli H.

ck-12 helped me to build my lesson plans.

kaur

I love the interactive links in the e-book. I have used the resource for reviews and absent students.

Katy W.

Tutoring!

Katie A.

It's my first year in a new school, with a completely different curriculum structure than I'm used to teaching in biology, and my class did not come with any textbooks! For the first 2 months of school I would spend countless hours trying to combine diffe

Kathryn S.

I love cK12! I have used it in my high school science classes for 4 years now. I love how well the readings coordinate with the interactives and I love how I can integrate it into my Edmodo class pages as well. I REALLY love how I can find the same topic at different reading levels and in Spanish so that I can make sure every one of my students can learn science content and themes at any skill level.

Katie

It has helped my students learn

Kathryn

CK-12 has provided relevant reaading material for my students... don't know what our school would do without your support

Kathleen L.

We frequently use copies of the content to send with students who are suspended, sick or otherwise unable to attend class. It's saved many headaches when trying to find material for these students.

Kathleen N.

Comments from Students

Helped me understand Chemistry better.

Molly

they have helped with all homework

Mikia W.

I sucked in math and these guys gave me multiple tools to strengthen mymath skills

Mikeyia

Since I joined ck12 I've learned about geography, biology and chemistry easily by having information in easy access

Mikel A.

It was very professional and useful.

Mike R.

You guys have helped me obtain notes and study. You also help to organize the content. Thanks!

Max

The practice problems help me study for tests.

Mauricio

This has helped to realize the simple things about the greenhouse effect

Maurice F.

cK12 helped me and my science class through extensive learning programs and quizzes, and it is very easy to get around inside. It is very helpful to me and my class. I learn a lot here!

Maude W.

It helped me with my vocabulary

Mattneil M.