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

Integrating all subjects and resources.

Andrea T.

I love using your textbooks for my classroom. Ties in tech and provides an inexpensive alternative.

Andrea M.

I use it as a resource in my classroom.

Amy L.

CK-12 has provided our school with free science texts and has given my students the opportunity to publish their writing online in the Understanding Biodiversity book. Thank you!

Amy H.

Helped me in my Anatomy and Biology classes - reinforcing content through grade appropriate reading

Amy B.

CK-12 has been an integral component in our move to 1-1 in the classroom. The ability to edit the content allows us to tailor the CK-12 textbooks to fit our needs. We love CK-12!

Amy

i can make my students understand better, thanks

Amruth L.

CK-12 has been helping us teach our children several subjects. Thank you #ck12foundation .

Amber

Hello CK12! I am an 8th year science teacher. I taught in Philadelphia and Washington DC, and am currently in Abu Dhabi teaching science to 12 year-old girls. CK12 is a revolutionary website. Not only can I access high-quality science literature, but I ca

Amber W.

You helped my kids love learning again! I've been homeschooling for 5 years and we just found your site last year and it's been amazing thus far! Thank you for all you do to help educate our children!

Amber

Comments from Students

helped me learn about simple machines

Giselle

CK-12 has helped me with my work in science class and helped me understand how rolercosters work

Gillian

it has helped me by learning things that i don't know

Quagmire

you have helped me in science by letting me finish my work quicker

Mel

Excelente herramienta para fortalecer los temas vistos en clases..Sigan así C:

Gerardo

it has help me learn new thing and continue my growth in science

Francisco D.

ck-12 helped with my music career.

Gerard W.

This site has helped many of us to better understand the world around us. Without you cK-12 I dont think I would have never have understod the material better than I already know

Francisco

it has helped me to understand my subjects easier

francis

It has helped me learn phisics

Flannery C.