Testimonials

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

CK-12 is Adjustable to Each Student's Level of Learning
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CK-12 is Adjustable to Each Student's Level of Learning
Students Love CK-12 Study Guides
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Students Love CK-12 Study Guides
CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
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CK-12 PLIX Makes it Very Easy for Teachers With Very Little Prep Time
Personalizing and Blending Learning with CK-12
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Personalizing and Blending Learning with CK-12
CK-12 Meets Every Student's Needs
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CK-12 Meets Every Student's Needs
EPISD Saw Results After One Year of CK-12 FlexBooks®
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EPISD Saw Results After One Year of CK-12 FlexBooks®
CK-12 Offers Support for All Students and Teachers Worldwide
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CK-12 Offers Support for All Students and Teachers Worldwide
Be a Champion Educator with CK-12
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Be a Champion Educator with CK-12
Using CK-12 Modalities to Bring Learning to Life
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Using CK-12 Modalities to Bring Learning to Life
CK-12 Keeps Your Students Engaged
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CK-12 Keeps Your Students Engaged
CK-12 Fuels a Greater Learning Experience
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CK-12 Fuels a Greater Learning Experience
CK-12 Availability: No More Excuses
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CK-12 Availability: No More Excuses

Comments from Educators

This website was a great thing for us to us because it help us to do many of our assignments. The class and I really appreciate this website and what it has provided for us. My class and I have a new assignment to do and we use cK-12 because it makes us do different things on it to provide us and them with different information they need.

Billy S.

It is a extremely propitious and handy website.It helped me a lot for giving a finishing touch for my examination.

Bhawesh K.

I have improved the labs for my online physical science class.

Beth R.

You helped our classroom by supporting our lessons!!

Bethany H.

I have found CK-12 a helpful resource for enriching my high shcool biology classes.

Beth A.

Weekly quizzes and online practice. Also use the flexbook for practice for HW.

Berenice

Live saver! Ck-12 has been a wonderful resource for me since I am teaching a curriculum that I have not taught before. Great asset.

Belinda C.

With School and sceince

Basya V.

Hi! I have used Ck-12 to supplement the resources provided by my school district for years. Eventually, CK-12 became a resource that is recommended by my school district. Congrats and best wishes as you celebrate your 10th anniversary. Also, thank you!

BC

CK-12 has helped my students access current science content as we implement the Next Generation Science Standards.

Barbara W.

Comments from Students

It lets me learn lessons at my own pace and learn from my mistakes so I really like that.

Flor F.

I love how well the examples are explained and i couldn't do my homework without it. :0

Fernanda

CK-12 has helped me memorize lots of new scientific words and helped me become better and smarter at paying close attention in what I am reading. I also like how it doesn't take a lot of time to complete a task. It only takes me about 15 minutes to comple

Fernando

cK-12 has been part of my experience as student and has been helping me to discover in a different way the sciences

Estefany V.

i like using ck 12 because it helps me learn alot.

Felsiha, Daquan

Ck12 has helped me learn how to find keywords in the question and match it with the answer

Ervin M.

It has helped me improve my Science skills, and continues to help me more often as I prepare for my AP Exams. Happy 10th Anniversary!!!

Esperant K.

helped me learn and understand more.

Emmalee

Happy 10th anniversary! Great job so far, you have helped me so much because you are online so I can access you anywhere!

Emma T.

Ck12 helped me pass my science class this year. #youlit

Emma H.