Testimonials

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

CK-12 is Adjustable to Each Student's Level of Learning
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CK-12 is Adjustable to Each Student's Level of Learning
Students Love CK-12 Study Guides
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Students Love CK-12 Study Guides
CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
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CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
Personalizing and Blending Learning with CK-12
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Personalizing and Blending Learning with CK-12
CK-12 Meets Every Student's Needs
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CK-12 Meets Every Student's Needs
EPISD Saw Results After One Year of CK-12 FlexBooks®
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EPISD Saw Results After One Year of CK-12 FlexBooks®
CK-12 Offers Support for All Students and Teachers Worldwide
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CK-12 Offers Support for All Students and Teachers Worldwide
Be a Champion Educator with CK-12
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Be a Champion Educator with CK-12
Using CK-12 Modalities to Bring Learning to Life
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Using CK-12 Modalities to Bring Learning to Life
CK-12 Keeps Your Students Engaged
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CK-12 Keeps Your Students Engaged
CK-12 Fuels a Greater Learning Experience
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CK-12 Fuels a Greater Learning Experience
CK-12 Availability: No More Excuses
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CK-12 Availability: No More Excuses

Comments from Educators

cK12 has helped me immensely with book resources for my students. Now they get to read smaller sections and not be so encumbered with such large science textbooks. The practice is becoming a very valuable tool with my students as well.

Kristin

I am a Science Olympiad coach for Anatomy and Physiology at a middle school. This is our first year as a team, so I have spent hours searching for materials. Your site offers just what we need.

Kippi F.

kindly email a lesson plan for Angles forms by intersecting secants.

Kimberlee

Finding material for my chemistry students, and also creating my own online text.

Kim W.

I use Ck-12 to find resources for my high school Significant Support Needs class.

Kim C.

CK-12 has revolutionized they way I work with students. I am most especially grateful because it allows me to work with students who are distance learners.

Kim

ck-12 has helped me immensely regarding my preparation for the tasc ged. Thank you so much for this excellent educational website !

Kevin N.

Its fantastically helpful. My students LOVE ITTT!!!!!

Kent R.

You have helped gain me so many assignments with full distinctions

Kelly N.

So many STEM resources at all grade levels available from ck-12!

Katy

Comments from Students

Well done CK-12! You've been helping me at my studies. You help me to gain a lot of extra materials! Such wonderful and helpful you are. Keep helping in education unit and keep improve till became the best! -Warm Hug-

Hafidh H.

It has helped me get better grades in class!

Erika

As an 8th Grader, CK-12 has been a truly amazing resource not only for school, but for curing my curiosity outside of the curriculum. I want to thank everyone who contributes to this incredible organization!

Hannah

CK-12 helped me and know I get more and it helps me learn more and get things even better than I did before.

Hanslhy

Hello! I greatly appreciate all that CK-12 has done to help me throughout my time in biology! I look forward to the amazing things that CK-12 will do in the future!

Evan W.