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 have been able to take the real world applications and interesting topics from ck-12 and incorporate them into my science lessons.

Lauren H.

cK-12 has helped me teach my child on several subjects. It is a fantastic resource weather you homeschool or not.

Laura G.

My students love the videos and information on this site. I feel that it greatly enhances student learning.

Laura M.

With our "bring your own device" initiative, our corporation no longer buys textbooks. Thank you for giving me a way to still provide my students a way to have a good information source they can continually turn to.

Laura

I am a high school biology and chemistry teacher. I assign ck-12 as a resource for students who struggle with concepts. I love the Real Life articles. The students get to understand why science is important. Thank you

Laura S.

I have only recently discovered this wonderful site. I am using it as an actual teaching resource, whereby I use it to flip my class. So students will work through the content at home, regroup in class to discuss topics and issues and then they write the

Kyle

CK-12 has helped me positively impact student achievement in my classroom! I have found numerous problems that I have used with my students, discovered ways to improve my instruction, and developed a clearer understanding of how to target my instruction and interventions!

Kurt H.

really helpful for my children

Kumudini

I am homeschooling my 8th grader for the last trimester. I am looking for things to make his education complete and fun.

Kristy D.

CK12 works well with our 1-1 ipad program in our middle school. Students carry their work and flex books around in one small device! Yea, for saving their little spinal cords!

Kristin D.

Comments from Students

you helped me so much with my biology witch i'm still using you for thank you

Adrien J.

Younhelped me with my science work for school.

Adriana R.

CK-12 is a fantastic resource website that make learn way much more easier thank you and happy 10th anniversary

Abel

It helped me keep track of my work

Adrian R.

It help me learn how to turn fractions into decimals

Adriana

You helped me a lot with science

Abel

ck-12 has helped me understand chemistry better and i want to congratulate and thank you for your services

Abdullah J.

CK-12 has been incredible in providing me with information for my biology projects.

Abdullah A.

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

Abdul B

they helped me learn 7th grade

Aaron