Testimonials

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

CK-12 Simulations Lead to Richer Learning Experiences
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CK-12 Simulations Lead to Richer Learning Experiences
CK-12 Simulations Connect Classroom with Real World Situations
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CK-12 Simulations Connect Classroom with Real World Situations
CK-12's Key Role in the #GoOpen Movement
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CK-12's Key Role in the #GoOpen Movement
With CK-12, Updating Content has Never Been Easier
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With CK-12, Updating Content has Never Been Easier
Why Mrs. P Loves to Use CK-12 in Her Classroom!
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Why Mrs. P Loves to Use CK-12 in Her Classroom!
Create and Collaborate with Fellow Teachers Using CK-12
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Create and Collaborate with Fellow Teachers Using CK-12
Student Engagement: Working Independently Using CK-12
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Student Engagement: Working Independently Using CK-12
Parents Love CK-12
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Parents Love CK-12
CK-12 Has Engaging and Interactive Content
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CK-12 Has Engaging and Interactive Content
CK-12 Content to Match the Right Level
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CK-12 Content to Match the Right Level
CK-12 is User-Friendly and Fits Each School's Style
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CK-12 is User-Friendly and Fits Each School's Style
Pick Up Where You Left Off with CK-12 FlexBooks®
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Pick Up Where You Left Off with CK-12 FlexBooks®

Comments from Educators

I'm a first year teacher in an impoverished school district. Having virtual tools is the best way to close the achievement gap between my district and well-funded schools. Thank you!

Barbara F.

Providing lesson resources.

Brittany S.

Amazing books for my students at no cost. Thanks!

Aurora

plan lessons

Artemis B.

CK-12 is an amazing resource to teach my students! I love that I can collage material and personalize material to suite each of my classes. Thank you for all that you've done and please keep up the great work!

Arpit

very good after all it is a helpful site to use.

Arianna B.

CK helps me on my practice teaching experiences

Ariane

Ck-12 has really helped me pass my praxis test and it helps me daily with my classroom teaching my students to expand their mind.

April R.

I am an italian teacher of chemistry. I like my work and new teaching strategies. Often some of my students can speak English better than italian and as I know how much important english is, I invite them to keep an english lecture on a particular topic for the whole class, including me. Your videos, tests and documents are really helpfull in this! Thank you very much

Antonietta

CK-12 is an excellent resource for teachers and students. It has been very helpful in providing intervention & remediation for my students.

Antoinette C.

Comments from Students

cK-12 has helped me understand more about my biology class. It provides my teacher easier ways to do fun and competitive quiz's.It provides a bundle of notes that are very easy to access and you can make your own highlighting marks and notes. Thanks!!

Arianna V.

I haven't been on here yet but my teacher showed me today and it lokks pretty cool and its very fun we did a quiz on seasons

Arianna

cK-12 is helping me the pass my FTCE test, which i want to take next month.I don't have the money to buy the book, so i am greatful for the help,

Ann M.

Helped me become a faster & well skilled learner.

Andy R.

cK-12 has been of immense help to me. I used to satisfy my hunger for knowledge through books only. One day I came across this wonderful app which has pacified my hunger. Thank you!

Ankit C.

ck-12 helped me by supporting myself and for trying my best

Anjel B.

Ck-12 has always been my study buddy. I like the fact that there is more than one way to learn about something rather than sticking to a typical lecture or textbook. It lets me explore new concepts.

Anjali

It gives me information to help with classwork and homework.

Aniyah

it has helped me by giving me good answer advice

Aniyah

it help me with science and helped me get my grade up by teaching me my lesson and letting me look over the words just like quizlet

Aniya S.