Testimonials

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

Worry-Free Content Curation with CK-12
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Worry-Free Content Curation with CK-12
CK-12 Offers Material Unavailable By Traditional Publishers
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CK-12 Offers Material Unavailable By Traditional Publishers
Starting with a CK-12 FlexBook® and Curating as You Go
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Starting with a CK-12 FlexBook® and Curating as You Go
Students Rely on CK-12 Flexbooks®
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Students Rely on CK-12 Flexbooks®
Worry-Free Content Curation with CK-12
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Worry-Free Content Curation with CK-12
It's Easy for Students to Search CK-12 FlexBooks®
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It's Easy for Students to Search CK-12 FlexBooks®
Embedding Videos in CK-12 to Enhance Student Understanding
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Embedding Videos in CK-12 to Enhance Student Understanding
Updating FlexBook® for Personalized Learning
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Updating FlexBook® for Personalized Learning
OER Publishing and Sharing on CK-12
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OER Publishing and Sharing on CK-12
The Awesome Ability to Update CK-12 FlexBooks®
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The Awesome Ability to Update CK-12 FlexBooks®
CK-12's FlexBooks® are Easy To Use
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CK-12's FlexBooks® are Easy To Use
Using CK-12 in a Large School District
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Using CK-12 in a Large School District

Comments from Educators

At a time when we were not able to continue paying for private instructions, we found this site and it was our salvation. We valued the set up and the freedom it presented to design the best course of action for 8th grade studies. Now moving on into 9th grade studies and more diligent record keeping, we are continuing on at the 9th grade level.

James L.

Hello guys. Very Good Job, Happy 10th Anniversary

Izzy

many teaching resources are getting this site for me

Jaleesa

Teaching

Jacqueline S.

We use cK-12 for our high school Science and math curriculums and the students love and the teachers find it easy to use and an enhancement over traditional textbooks.

Jack

First year using completely digital books in 7th science thanks to you! Awesome!

J Daniels

It has helped me with very fun and creative activities to deliver meaningful lesson to students of different learning abilities.

Isela

I love science and the online books are so easy to access! I love the ck-12 website home page thing! every thing is so well organized! I just love ck-12!

Isabella

It has help students grasp concepts via video and plix shown by increased test scores on weekly exams and it has help me save time gathering these resources.

Iris H.

I used some of the lessons for my national board certification. Lessons from ck-12 have helped my students to understand concepts from readings and videos provided. Love Ck-12

Holly D.

Comments from Students

This site helps me a lot to learn the concept in easy way by providing the lot of dynamic web page representing the main theme of concepts.

Murali

It has helped me with writing, math, and physical science. I have passed many of my test in school because of this website.

Claude M.

HI! We use this website every day in class and we are writing a 17 paragraph research paper on energy. We are so happy its there!

Margot R.

yall helped me because yall have alot of infermation and i appretionate that so i have been getting good grades on my report and progress report card so thank youu soo much !

Macayla J.

CK-12 has helped me with my 6th grade homework several times! Happy 10th Anniversary!

Logan D.

thank you i now have fun doing homework and activities thank you very much and Happy Anniversary!!!

Kimoni D.

Thank you for helping me out with my science homework! I probably would have failed without you. My science teacher even tells us to always trust CK-12. Congrats on your 10th anniversary!

Jennifer

I use CK-12 for my science, math, and asking questions. Since I am home schooled this website is a great thing for me because it is a boost on my education and for others who are like me. I really like that you can ask questions and answer them as well. Y

Lexi

it helped me by if i did not know something all i had to to was type what i needed t know in and i would learn XD

Jazmyne

Hi ck-12!!! congratulations!! Im one year older then you!! But....... you guys helped me get a A in science class and my teacher was very impress with my work I have. I just started when I first became a 6th grader, and I was pretty mad I had too start a new website. I always had gotten a D in science and I love science, so it hurt me to see I was failing. But I came home that day and my mom told me to do it any way, so I signed up and then BOOM!!! I fell in love with this website!! My teacher always told me that I needed some help with science, so I wold get on ck-12 and asked a helper for some help. My teacher always told me I could study more of a topic to get caught up with the other students, so I would hop on ck-12 and read,study,watch,and write down the topic. Since I started ck-12 I have an A in science,I have honor roll, and help other kids with science too!! So now that I am almost finished, congrats on having your 10th birthday!! Without you guys I dont know were I would be.Happy birthday!!! -Jasmine Whitfield-

Jasmine W.