Testimonials

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

CK-12 Offers Resources Students Understand
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CK-12 Offers Resources Students Understand
CK-12 Groups: A Great Experience for Students and Parents
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CK-12 Groups: A Great Experience for Students and Parents
Using CK-12 PLIX and Interactives Creates More Participation in the Classroom
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Using CK-12 PLIX and Interactives Creates More Participation in the Classroom
How to Use CK-12 to Support Struggling Readers
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How to Use CK-12 to Support Struggling Readers
Save Hundreds of Pages Unneeded Textbooks with CK-12
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Save Hundreds of Pages Unneeded Textbooks with CK-12
School Districts Adapting to Electronic Textbooks with CK-12
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School Districts Adapting to Electronic Textbooks with CK-12

Comments from Educators

In the digital age I find have a paper textbook for a dynamic science world limiting and not budget wise. Thank you for making this service available! I find it very useful as a resource in my classroom.

Charles R.

teaching

bryant

Amazing resource! With so many statewide educational budget cuts, it has been extremely difficult to find quality teaching resources. cK-12 has filled that niche quite nicely! I would recommend this valuable site to anyone. Thanks!

Bryan H.

Ck12.org has helped each and every student who has come to our center. I was been a great experience for our students, as well as a enormous help for the teachers! CK12.org has made our learning journey easier and more exciting!!!

Bright Harbor Academy

Identify resources staff can use to develop relevant science curriculum

Brian A.

This is a great "go-to" site for my daughter and I when she is struggling with a new math concept and needs that extra help. Thanks cK-12!!

Brenda S.

helped me learn how to do my math better

Brady

CK12 has helped me assist others by allowing them to be a part of this learning initiative.

Boris A.

I LOVE YOU guys thank u very much i appreciate your efforts for helping students to learn their subjects.

Biswajit

Thankyou thankyou thankyou very much for providing these resources for free. ck-12.org is very great resource for students it is very helpful in schools and out of schools for self study.

Biswajit

Comments from Students

ck-12 help me to improve a better grade and it help me on my skills on math i think this a phenomenal,amagazing and magnificent app that all teachers should use.C:

Grecia O.

It helped me learn.

Graham M.

It's really easy to use and kindof fun to use rather than other online education websites.

Gracie H.

It has helped me because sometimes I don't get my teacher and then I go and search websites that will help me and then my teacher told me to use ck-12 and that's what helped me and she puts she puts assignments on ck-12 for the whole class and sometimes she puts science assignments.

Gracia

Science has always been a harder subject for me, but ck-12 has super helpful and interesting information that is easily comprehended and fun to read. Thanks, and happy birthday!

Grace S.

It helped me do science.

Grace P.

hi ck-12! i really love studying with ck-12

Grace

I'm just getting started, but from what I already know this program makes education easier and faster. Also, it helps when it comes to management of time education.

Glorious H.

I personally like the idea of flash cards and execises, this are very excellent when it comes to learners revision

Gaurav K.

It helped with all the facts.

Giovanni W.