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

Well I have not yet explored the site, however I am highly excited about learning this system and seeing how it can be useful for my students.

Leroy J.

lesson planning

Jeannie

CK-12 has helped my chemistry students to understand course concepts better. Students enjoy the interactive tutorials: these online tutorials help to differentiate learning in a more engaging way. I LOVE using CK-12 in my science classes!

Jeff O.

By making me a more competent teacher.

Jayson R.

Great resources, and learning sequences, available to students in school and at home. Thank you for your site it is invaluable

Jeannette M.

Happy Birthday

Jay

happy birthday

Jaun C.

thanks u have helped me a lot ..just add more materials especially on geosciences

Jaspin K.

Absolutely an amazing experience. I love that I can customize the textbooks to include what I believe is relevant in the order that I feel is a good flow. Thank you for saving my district so much money!

Jason W.

Hello ck-12, congratulations on your 10th anniversary! This is my first time on the site so i can't really give you a good feedback yet , but rest assured i am thankful for being able to find the site.

Jasper P.

Comments from Students

It is great for note taking

Emma M.

it was awesome!!!!!!!!!!!!!!!!!It really helped me with science.

Emma E.

It helped me earn biology and life science better.

Emma D.

CK-12 helped me finally start to get good at math! I was struggling for years, but homeschooled my sophomore year, I started getting a grip and I am now about to start my Senior year. Now I can graduate with my friends and go to college to be an EMT like I've wanted to for many years! Thank you!

Emily

It's a cool way for my teacher to teach Earth Science.

Emily

CK-12 has helped me a lot in Biology. I has great articles and questions to help me get better grades in an Honors Biology class

Emilia D.

it has help me in all kinds of ways i will always use this site thanks for everything love you guys so much

Emanuyel

I get all my math assignments done here and learned alot !

Emanuel C.

It helped me pass my pre-k math class

Elliott

It taught me a lot about science and how many things are.

Elliott