Testimonials

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

Worry-Free Content Curation with CK-12
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Worry-Free Content Curation with CK-12
CK-12 Offers Material Unavailable By Traditional Publishers
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CK-12 Offers Material Unavailable By Traditional Publishers
Starting with a CK-12 FlexBook® and Curating as You Go
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Starting with a CK-12 FlexBook® and Curating as You Go
Students Rely on CK-12 Flexbooks®
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Students Rely on CK-12 Flexbooks®
Worry-Free Content Curation with CK-12
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Worry-Free Content Curation with CK-12
It's Easy for Students to Search CK-12 FlexBooks®
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It's Easy for Students to Search CK-12 FlexBooks®
Embedding Videos in CK-12 to Enhance Student Understanding
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Embedding Videos in CK-12 to Enhance Student Understanding
Updating FlexBook® for Personalized Learning
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Updating FlexBook® for Personalized Learning
OER Publishing and Sharing on CK-12
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OER Publishing and Sharing on CK-12
The Awesome Ability to Update CK-12 FlexBooks®
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The Awesome Ability to Update CK-12 FlexBooks®
CK-12's FlexBooks® are Easy To Use
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CK-12's FlexBooks® are Easy To Use
Using CK-12 in a Large School District
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Using CK-12 in a Large School District

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

Great resource to learn the most complicated topics in simple ways.

Sean M.

I really understand things. Thank you for making this site.

Sam

this program is awesome. congratulation on your 10th anniversary

Salome W.

cK-12 has helped me to practice questions for biology. Happy 10th Anniversary!!

Sally

It has helped me tremendously! I really appreciate using CK-12 because it helps me with my tutoring lessons.

Salima W.

THANK YOU Ck-12 . You made my dreams come true because due to you i stated leaning in a higher standard . I used to study only through books but you changed style of learning. thanking you again and wishing you on your 10th anniversary , may this organisation will reach to every child ...

Saifullah

we get an online textbook!!

Ruby

IT HELPED WITH ALL OF MY HOMEWORK!!!!!!!!!!!!!! We have our lessons on the readings and they have really helped me learn. There is an occasional grammar issue and a misspelled word but other than that the practices and all the other things are really good for a 6th grade children's science class!! By the way HAPPY ANNIVERSARY!!!!!!!!!!!!!!!

Sadie

I love the life science section and the practice really helps me study for tests and worksheets so now science is a breeze!

Rowan W.

Well ck-12 has helped me by a lot by helping me study with the usefull resources.

Rosie