Testimonials

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

The Awesome Ability to Update CK-12 FlexBooks®
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The Awesome Ability to Update CK-12 FlexBooks®
Curating CK-12 FlexBooks® for Relevance and Engagement
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Curating CK-12 FlexBooks® for Relevance and Engagement
Using CK-12's Platform to Deliver Instruction on Devices
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Using CK-12's Platform to Deliver Instruction on Devices
Instantly See CK-12 Content in More Than 90 Languages
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Instantly See CK-12 Content in More Than 90 Languages
Using CK-12 in a Large School District
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Using CK-12 in a Large School District
CK-12 Simulations Connect Classroom with Real World Situations
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CK-12 Simulations Connect Classroom with Real World Situations
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
Personalizing and Blending Learning with CK-12
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Personalizing and Blending Learning with CK-12
CK-12 Is My Go-To Source for Classroom Material
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CK-12 Is My Go-To Source for Classroom Material
Illustrations Come to Life with CK-12
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Illustrations Come to Life with CK-12
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

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

it helped me survive physics last year. i would have been lost without it

Alan Grajeda

Very useful course materials

Aj P

Helped me pass college statistics

Torronce

It has helped me do online geometry.

Patrick

CK-12 has helped me in a lot of ways. You have helped my in science, math, and other subjects! Thank you!! I also appreciate that you have let me get all A's throughout 6th grade. Hope to study on this site more often!!!

Alayah Clark

Thanks for helping me with science

Selena

made me love school and work harder

Izayah

Ck-12 has helped me on many of my homework assignments.

Weston Willis

They're Just SO GREAT!

Kailey Sterling

Please do not tell anyone my name and Email, I am trusting you with it. CK-12 has helped me so much, I am in 6th grade and were using it for Science, It is so much helpful. Last year we used it for Social Studies and it was confusing but it was helpful. Thank you, CK-12.

Anonymous

Hi ck-12!!! congratulations!! Im one year older then you!! But....... you guys helped me get a A in science class and my teacher was very impress with my work I have. I just started when I first became a 6th grader, and I was pretty mad I had too start a new website. I always had gotten a D in science and I love science

Jasmine Whitfield

I love it! Thanks sooooo very much! A GREAT alternative resource from the traditional textbook.

Venise Borum

I want to thank you guys for everything you guys have done. You make things easy to access and have offered many helpful things within my classes.

Adam Bradley

CK12 is really awesome, thank you

Zach Diego

It is very fun and helpful

Willy

I did a seventh grade project using your website. It was about the different body systems and your site explained it good. Keep it up! Looking forward to coming back and seeing what's new.

Sd

CK-12 helps me understand science a lot better than just randomly taking notes. There's pictures and explanations, too, making it easier to understand the text.

Kaitlyn L

It helped me to study for my tests, I really love it

Laith