Testimonials

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

Use CK-12 FlexBooks® to Replace Traditional Textbooks
X
Use CK-12 FlexBooks® to Replace Traditional Textbooks
Creating Teams to Make CK-12 FlexBooks®
X
Creating Teams to Make CK-12 FlexBooks®
Many Reasons to Use CK-12 FlexBooks®
X
Many Reasons to Use CK-12 FlexBooks®
Translate FlexBooks® with just One Click!
X
Translate FlexBooks® with just One Click!
The Power of CK-12's Highlighting Tool and Word Definitions
X
The Power of CK-12's Highlighting Tool and Word Definitions
Finding the Right People to Pilot CK-12 FlexBooks®
X
Finding the Right People to Pilot CK-12 FlexBooks®
Curating CK-12 FlexBooks® for Relevance and Engagement
X
Curating CK-12 FlexBooks® for Relevance and Engagement
Incorporating Current Events into a CK-12 FlexBook® the Next Day
X
Incorporating Current Events into a CK-12 FlexBook® the Next Day
CK-12 is the High Quality Online Resource Teachers and Students Can Trust
X
CK-12 is the High Quality Online Resource Teachers and Students Can Trust
Talk to the Text with CK-12's Highlighting Tool
X
Talk to the Text with CK-12's Highlighting Tool
El Paso Bought Laptops and Still Saved Money with CK-12!
X
El Paso Bought Laptops and Still Saved Money with CK-12!
Upgrade, Update, and Customize with CK-12
X
Upgrade, Update, and Customize with CK-12

Comments from Educators

Very good resources and excellent lessons.

Erington

Great resources to support MYP curriculum without textbooks

Erin

I have relied on CK-12 for simulators to help my students understand topics that are not able to be done easily in the classroom and has helped them to learn and also saved the school money!! Thank you and happy anniversary!!

Ericka O.

It has helped me with the additional resources available. They are very useful.

Emma

its helps me get better and learn new resources

Eric S.

lesson plan for the topic mendel's law of inheritance

Eric C.

Send Geometry support materials

Emmanuel N.

Access to awesome texts for my students!

Emma

I love using the free resources as a literacy component in my science classroom. Many topics that I teach can be found at Ck-12 and the content is both accurate and engaging!

Emily I.

I began homeschooling and immediately went into panic mode, but after another homeschooling mother recommended this site I was immediately put at ease.

Elizabeth S.

Comments from Students

cK-12 HAVE HELPED US BY HAVING GREAT RESOURCES AND LEARNING DIFFERENT WAYS TO TO DO THINGS. thank u for your wonderful time and effort Happy Anniversary

Rosemary F.

cK-12 has helped me whenever I need a question answered there right there to help

Rose H.

Thank you for helping me learn. Your practice and articles has helped me.

Rose

ck12 has helped me a lot with math thanks a lot:3

Ronnie

It helped me in science class

Roger

ck-12 has helped me with my multiplication, division, and Ela.

Roger W.

It helped me with note taking in bio class

Rocco I.

It helped me to improve on my test and other assignments

Rochelle S.

how to know when a triangle is obtuse,right or acute

Roberto M.

Often times I struggled finding answers or a good way to study. I asked my teacher how I could improve my studying skills, and she suggested me cK-12. Amazing website, congratulations.

Roberto C.