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 has helped me a lot with science so I was wanting to challenge myself with 8th grade level.

Elliote D.

Its a great site!

Ellen

CK-12 has helped me so much in school, whether for the basis of a topic or extra-credit work. Happy Anniversary, and keep up the great work!

Ellie

Helped me pass my classes. Very helpful!

Elishah A.

It boosted me through a lot of math stuff.

Eliott

ck-12 has helped me because everyone time i go on it it helps me learn new and interesting facts.

Elijah J.

it helps with me math

Elijah

CK-12 helped me by improving my grades even though my grades are getting better and better.

Darriyuna

Helped me by watching different videos.

Daniela T.

ck 12 helped me with my learning by giving an explanation and justifying what i'm supposed to know in y grade levels. I'll happy 10th anniversary and thank you :D 5 stars

Darik A.