Testimonials

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

CK-12 is the High Quality Online Resource Teachers and Students Can Trust
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CK-12 is the High Quality Online Resource Teachers and Students Can Trust
CK-12's Free, Platform-Agnostic System for Finding and Editing OER Content
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CK-12's Free, Platform-Agnostic System for Finding and Editing OER Content
It's Easy for Students to Search CK-12 FlexBooks®
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It's Easy for Students to Search CK-12 FlexBooks®
Customizing CK-12 with Regional Content
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Customizing CK-12 with Regional Content
CK-12 Simulations Lead to Richer Learning Experiences
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CK-12 Simulations Lead to Richer Learning Experiences
OER Publishing and Sharing on CK-12
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OER Publishing and Sharing on CK-12
School Districts Adapting to Electronic Textbooks with CK-12
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School Districts Adapting to Electronic Textbooks with CK-12
CK-12's PLIX and Interactives Help Students to Work Together
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CK-12's PLIX and Interactives Help Students to Work Together
Every time I open CK-12 There Is Something New and Engaging
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Every time I open CK-12 There Is Something New and Engaging
Using CK-12 Modalities to Bring Learning to Life
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Using CK-12 Modalities to Bring Learning to Life
Worry-Free Content Curation with CK-12 Foundation
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Worry-Free Content Curation with CK-12 Foundation
With CK-12, Updating Content has Never Been Easier
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With CK-12, Updating Content has Never Been Easier

Comments from Educators

classroom assignments for Night by Elie Weisel

Janet R.

I love teaching and work books can I use your experience

Alireza

CK-12 has been a great resource for me! The Fourth grade social studies curriculum was new to me last year, so I used ck-12 as my guide! Thanks CK-12 for your awesome free resources!!

Adrienne K.

Its fantastically helpful. My students LOVE ITTT!!!!!

Kent R.

money

Freedom D.

Thanks for making your lessons available! It helps a lot as a supplement of my lesson.

Cicelia A.

GIVES READING ACTIVITIES TO KIDS

Jenny B.

CK-12 has been an incredible resource in my classroom to help improve student learning. Bell work activities, extension questions, supplemental practice problems, and application graphics have all been utilized by myself and my students. Thank you for all

Alexander Fd.

with school

France R.

I use it for Credit Recovery Program. My students like it!

Maria

My school district went full implementation with the new NGSS standards, but did not provide us with any curriculum. CK-12 saved the day!! Thank you CK-12!!!

Leslie F.

ck-12 is an amazing resource that provides up to date information that I can use to supplement our science textbooks. It also has leveled activities which helps when differentiating instruction. Keep up the great work!

Donna N.

I have used ck-12 science as my children's home school science curriculum for the past 2 years.

Cornella J.

video tutorials for lesson plans!

Macie M.

Tutoring!

Katie A.

Great resources, and learning sequences, available to students in school and at home. Thank you for your site it is invaluable

Jeannette M.

I can communicate with my children about assignments when I am working and I the resources have been a valuable resource for our classes with multi-faceted view points and study aids.... Thank you

Hodge Home School Academy

Incorporate reading into my science classes.

Alexis S.

Comments from Students

CK-12 has helped me by actually making sense when I need information for my science class.

Kaitlyn Potratz

Ck12 helped me a lot revising lessons and keeping up with my math lessons

Mathis

Math is a universal language one, that we don't fully understand, or I feel being taught properly in schools. Thanks to Ck-12, I am able to bridge the gaps in my knowledge regarding basic math concepts and move on to more advanced topic. Thank you for b

Wensley

The math and science is the best, and it lets me control when and how I learn. Overall the best homeschool education place.

Galayna Erickson

CK-12 has helped to improve my Science Grades

Alan

it helped me by knowing new stuff and it is better than reading it of a book thank you for making the you guys are awesome

Makayla

you guys have helped me with learning new things

Betty

Always help me do my lessons with articles about the topic im learning about. Thanks for taking your time and making it all free.

Peter

ck12 has helped me by helping me learn science and know I am on a A-B on a roll. THANK YOU CK12!!!

Gabriella G.

I understand all the math problems here.

Pauline O

this helps me a lot like i no longer have to research stuff from fake websites.

Samya

You helped me and my class with science and on awesome stuff like that!

Tony

CK-12 has helped me by giving me easy access to textbooks I need for my school work.

Faith Brandt

the videos were very infomational

Jordan Smith

CK-12 has helped me allot in learning science. i usually can't pay attention in class so this is what i use and it where i learn most of my science honestly and its nice neat orginzaed and just easy to use. so thanks for making this

Samandar Khusenov

it has help me with my school and ect...

Bethy Pretty

it helped me with my notes

Maggie

In a word, it helped me learn more about Chemistry.

Abdul B